MATH-1300-ES31

Course administration

• Canvas page (where you must log in).
• Help with DjVu (if you have trouble reading the DjVu files on this page).
• Official syllabus (DjVu).
• Course policies (DjVu).
• Class hours: Mondays through Fridays from 12:00 to 12:50
  • in ESQ 100C and
  • over Zoom meeting 985-2146-8499 (when arranged).
• Final exam: December 14 Wednesday from 12:00 to 1:40 PM in ESQ 100C (or by appointment).

Contact information

• Name: Toby Bartels, PhD.
• Canvas messages.
• Email: TBartels@Southeast.edu.
• Voice mail: 1-402-323-3452.
• Text messages: 1-402-805-3021.
• Office hours:
  • on Mondays, Wednesdays, and Fridays from 10:00 to 11:00 (and by appointment) in LNK U9C,
  • on Tuesdays and Thursdays from 1:00 PM to 2:00 (and by appointment) in ESQ 112, and
  • over Zoom meeting 610-024-2876 (by appointment).

Readings

Graphs and functions

1. General review:
   • Reading:
     • My online introduction;
     • Skim Appendix A (except Section A.4) from the textbook, and review anything that you're shaky on.
   • Exercises due on August 23 Tuesday (submit these here on Canvas or in class):
     1. Which of the following are equations?
        1. 2x + y;
        2. 2x + y = 0;
        3. z = 2x + y.
     2. You probably don't know how to solve the equation x⁵ + 2x = 1, but show what numerical calculation you make to check whether x = 1 is a solution.
     3. Write the set {x | x < 3} in interval notation and draw a graph of the set.
     4. Suppose that ax² + bx + c = 0 but a ≠ 0; write down a formula for x.
   • Exercises from the textbook due on August 24 Wednesday (submit these through MyLab in the Next item): O.1.1, O.1.2, O.1.3, O.1.4, O.1.5, O.1.6, O.1.7, O.1.8, O.1.10, O.1.11, O.1.12, A.6.25, A.6.43, A.6.75, A.6.99, A.7.63, A.9.71, A.9.75, A.8.33, A.8.47.
2. Graphing points:
   • Reading: Section 1.1 (pages 2–6) from the textbook.
   • Exercises due on August 24 Wednesday (submit these here on Canvas or in class):
     1. Fill in the blanks with vocabulary words: The two number lines that mark the coordinates in a rectangular coordinate system are the coordinate _____, and the point where they intersect is the _____.
     2. Fill in the blank with a number: If the legs of a right triangle have lengths 3 and 4, then the length of its hypotenuse is ___.
     3. Fill in the blanks with algebraic expressions: The distance between the points (x₁, y₁) and (x₂, y₂) is _____, and the midpoint between them is (___, ___).
   • Exercises from the textbook due on August 25 Thursday (submit these through MyLab in the Next item): 1.1.4, 1.1.15, 1.1.17, 1.1.19, 1.1.21, 1.1.23, 1.1.27, 1.1.33, 1.1.39, 1.1.43, 1.1.47, 1.1.63, 1.1.71.
3. Graphing equations:
   • Reading:
     • Section 1.2 (pages 9–17) from the textbook;
     • My online notes on symmetry and intercepts.
   • Exercises due on August 25 Thursday (submit these here on Canvas or in class): Fill in the blanks with vocabulary words:
     1. Given a graph in a coordinate plane, a point on the graph that lies on at least one coordinate axis is a(n) _____ of that graph.
     2. If for each point (x, y) on a graph, the point (−x, −y) is also on the graph, then the graph is symmetric with respect to the _____.
   • Exercises from the textbook due on August 26 Friday (submit these through MyLab in the Next item): 1.2.1, 1.2.2, 1.2.7, 1.2.13, 1.2.17, 1.2.23, 1.2.29, 1.2.31, 1.2.33, 1.2.35, 1.2.41, 1.2.43, 1.2.45, 1.2.47, 1.2.53, 1.2.55, 1.2.61, 1.2.67, 1.2.71, 1.2.77.
4. Lines:
   • Reading:
     • Section 1.3 (pages 21–31) from the textbook;
     • My online notes on lines and line segments.
   • Exercises due on August 26 Friday (submit these here on Canvas or in class): Fill in the blanks with vocabulary words:
     1. The slope of a vertical line is _____, and the slope of a horizontal line is _____.
     2. Suppose that a line L has slope 2. The slope of any line parallel to L is ___, and the slope of any line perpendicular to L is ___.
   • Exercises from the textbook due on August 29 Monday (submit these through MyLab in the Next item): 1.3.2, 1.3.7, 1.3.8, 1.3.13, 1.3.15, 1.3.17, 1.3.19, 1.3.21, 1.3.23, 1.3.25, 1.3.27, 1.3.29, 1.3.31, 1.3.45, 1.3.51, 1.3.53, 1.3.57, 1.3.63, 1.3.67, 1.3.73, 1.3.75, 1.3.79, 1.3.85, 1.3.91, 1.3.93, 1.3.111, 1.3.113.
5. Systems of equations:
   • Reading:
     • Section 11.1 (pages 720–730) from the textbook;
     • My online notes and video on systems of equations.
   • Exercises due on August 29 Monday (submit these here on Canvas or in class): Consider the system of equations consisting of x + 3y = 4 (equation 1) and 2x + 3y = 5 (equation 2).
     1. If I solve equation (1) for x to get x = 4 − 3y and apply this to equation (2) to get 2(4 − 3y) + 3y = 5 (and continue from there), then what method am I using to solve this system?
     2. If instead I multiply equation (1) by −2 to get −2x − 6y = −8 and combine this with equation (2) to get −3y = −3 (and continue from there), then what method am I using to solve this system?
   • Exercises from the textbook due on August 30 Tuesday (submit these through MyLab in the Next item): 11.1.3, 11.1.4, 11.1.6, 11.1.11, 11.1.19, 11.1.21, 11.1.27, 11.1.31, 11.1.45, 11.1.47, 11.1.65, 11.1.73.
6. Functions:
   • Reading:
     • Section 2.1 (pages 47–59) from the textbook;
     • My online notes on functions.
   • Exercises due on August 30 Tuesday (submit these here on Canvas or in class):
     1. Fill in the blank with a mathematical expression: If g(x) = 2x + 3 for all x, then g(___) = 2(5) + 3 = 13.
     2. Fill in the blanks with vocabulary words: If f(3) = 5, then 3 belongs to the _____ of the function, and 5 belongs to its _____.
   • Exercises from the textbook due on August 31 Wednesday (submit these through MyLab in the Next item): 2.1.1, 2.1.2, 2.1.3, 2.1.10, 2.1.31, 2.1.33, 2.1.35, 2.1.43, 2.1.49, 2.1.51, 2.1.53, 2.1.55, 2.1.59, 2.1.63, 2.1.71, 2.1.79, 2.1.81, 2.1.103.
7. Graphs of functions:
   • Reading: Section 2.2 (pages 63–67) from the textbook.
   • Exercises due on August 31 Wednesday (submit these here on Canvas or in class):
     1. Fill in the blanks with mathematical expressions: If (3, 5) is a point on the graph of a function f, then f(___) = ___.
     2. Fill in the blank with a geometric word: The graph of a relation is the graph of a function if and only if every _____ line goes through the graph at most once.
     3. True or false: The graph of a function can have any number of x-intercepts.
     4. True or false: The graph of a function can have any number of y-intercepts.
   • Exercises from the textbook due on September 1 Thursday (submit these through MyLab in the Next item): 2.2.7, 2.2.9, 2.2.11, 2.2.13, 2.2.15, 2.2.17, 2.2.19, 2.2.21, 2.2.27, 2.2.29, 2.2.31, 2.2.33, 2.2.39, 2.2.45, 2.2.47.
8. Properties of functions:
   • Reading:
     • Section 2.3 (pages 73–81) from the textbook;
     • My online notes on properties of functions.
   • Exercises due on September 1 Thursday (submit these here on Canvas or in class): Fill in the blanks with vocabulary words:
     1. Suppose that f is a function and, whenever f(x) exists, then f(−x) also exists and equals f(x). Then f is _____.
     2. If c is a number and f is a function, and if f(c) = 0, then c is a(n) _____ of f.
     3. Suppose that a function f is defined on (at least) a nontrivial interval I and that, whenever a ∈ I and b ∈ I, if a < b, then f(a) < f(b). Then f is (strictly) _____ on I.
   • Exercises from the textbook due on September 2 Friday (submit these through MyLab in the Next item): 2.3.2, 2.3.3, 2.3.5, 2.3.13, 2.3.15, 2.3.17, 2.3.19, 2.3.21, 2.3.23, 2.3.26, 2.3.27, 2.3.29, 2.3.31, 2.3.37, 2.3.39, 2.3.41, 2.3.43, 2.3.45, 2.3.49, 2.3.51.
9. Word problems with functions:
   • Reading:
     • Section 2.6 (pages 111–113) from the textbook;
     • My online notes and video on functions in word problems.
   • Exercise due on September 2 Friday (submit this here on Canvas or in class): Suppose that you have a problem with three quantities, A, B, and C; and suppose that you have two equations, equation (1) involving A and B, and equation (2) involving B and C. If you wish to find A as a function of C, then which equation should you solve first, and which variable should you solve it for? (Although there is a single best answer in my opinion, there is more than one answer that will progress the solution, and I'll accept either of them.)
   • Exercises from the textbook due on September 6 Tuesday (submit these through MyLab in the Next item): 2.6.5, 2.6.13, 2.6.15, 2.6.21, 2.6.23.
10. Linear functions:
    • Reading: Section 3.1 (pages 125–131) from the textbook.
    • Exercises due on September 6 Tuesday (submit these here on Canvas or in class):
      1. Suppose that y is a linear function of x. If the rate of change of the function is m and the initial value of the function is b, then write an equation relating x and y.
      2. Suppose that f is a linear function. If you know f(a) and f(b) for two distinct real numbers a and b, then give a formula for the slope of the graph of f using a, b, f(a), and f(b).
    • Exercises from the textbook due on September 7 Wednesday (submit these through MyLab in the Next item): 3.1.2, 3.1.13, 3.1.15, 3.1.17, 3.1.19, 3.1.21, 3.1.23, 3.1.25, 3.1.27, 3.1.37, 3.1.43, 3.1.45, 3.1.47, 3.1.49.
11. Examples of functions:
    • Reading:
      • Section 2.4 through Objective 1 (pages 86–90) from the textbook;
      • My online notes and video on partially-defined functions;
      • The rest of Section 2.4 (pages 91–93) from the textbook.
    • Exercises due on September 7 Wednesday (submit these here on Canvas or in class): Fill in the blanks with vocabulary words:
      1. In the _____ function, the output is always defined and equal to the input.
      2. A _____-defined function is defined by a formula together with a condition restricting its inputs.
      3. A _____-defined function is defined by more than one formula, each with a condition restricting its inputs.
    • Exercises from the textbook due on September 8 Thursday (submit these through MyLab in the Next item): 2.4.9, 2.4.10, 2.4.11–18, 2.4.19, 2.4.20, 2.4.21, 2.4.22, 2.4.23, 2.4.24, 2.4.25, 2.4.26, 2.4.27, 2.4.29, 2.4.31, 2.4.33, 2.4.35, 2.4.43, 2.4.45, 2.4.51.

Polynomial functions

12. Composite functions:
    • Reading:
      • Most of Section 5.1 (pages 259–263) from the textbook;
      • My online notes on composite functions.
    • Exercises due on September 8 Thursday (submit these here on Canvas or in class):
      1. Fill in the blanks with a vocabulary word and a mathematical expression: If f and g are functions, then their _____ function, denoted f ∘ g, is defined by (f ∘ g)(x) = _____.
      2. Fill in the blanks with mathematical expressions: A number x is in the domain of f ∘ g if and only if ___ belongs to the domain of g and ___ belongs to the domain of f.
    • Exercises from the textbook due on September 9 Friday (submit these through MyLab in the Next item): 5.1.2, 5.1.9, 5.1.11, 5.1.15, 5.1.19, 5.1.25, 5.1.27, 5.1.29, 5.1.33, 5.1.55.
13. Inverse functions:
    • Reading:
      • Section 5.2 (pages 267–274) from the textbook;
      • My online notes on inverse functions.
    • Exercises due on September 13 Tuesday (submit these here on Canvas or in class):
      1. Fill in the blank with a vocabulary word: If f is a one-to-one function, then its _____ function, denoted f⁻¹, exists.
      2. Fill in the blank with an ordered pair: If f is one-to-one and (2, −3) is on the graph of f, then ___ is on the graph of f⁻¹.
    • Exercises from the textbook due on September 14 Wednesday (submit these through MyLab in the Next item): 5.2.4, 5.2.5, 5.2.7, 5.2.8, 5.2.9, 5.2.12, 5.2.21, 5.2.23, 5.2.25, 5.2.27, 5.2.29, 5.2.31, 5.2.35, 5.2.37, 5.2.41, 5.2.43, 5.2.45, 5.2.55, 5.2.57, 5.2.59, 5.2.61, 5.2.75, 5.2.77, 5.2.79, 5.2.87.
14. Coordinate transformations:
    • Reading:
      • Section 2.5 (pages 98–107) from the textbook;
      • My online notes on linear coordinate transformations.
    • Exercises due on September 14 Wednesday (submit these here on Canvas or in class): Assume that the axes are oriented in the usual way (positive x-axis to the right, positive y-axis upwards).
      1. Fill in the blank with a direction: To change the graph of y = f(x) into the graph of y = f(x − 1), shift the graph to the ___ by 1 unit.
      2. To change the graph of y = f(x) into the graph of y = −f(x), do you reflect the graph left and right or up and down?
      3. To change the graph of y = f(x) into the graph of y = f(2x), do you compress or stretch the graph left and right?
    • Exercises from the textbook due on September 15 Thursday (submit these through MyLab in the Next item): 2.5.5, 2.5.6, 2.5.7–10, 2.5.11–14, 2.5.15–18, 2.5.19, 2.5.21, 2.5.23, 2.5.25, 2.5.29, 2.5.30, 2.5.33, 2.5.35, 2.5.37, 2.5.41, 2.5.43, 2.5.45, 2.5.47, 2.5.53, 2.5.61, 2.5.63, 2.5.73, 2.5.89.
15. Quadratic functions:
    • Reading:
      • Section 3.3 (pages 143–152) from the textbook;
      • My online notes on quadratic functions.
    • Exercises due on September 15 Thursday (submit these here on Canvas or in class):
      1. Fill in the blank with a vocabulary word: The shape of the graph of a nonlinear quadratic function is a(n) _____.
      2. Fill in the blanks with algebraic expressions: Given a ≠ 0 and f(x) = ax² + bx + c for all x, the vertex of the graph of f is (___, ___).
      3. Given a ≠ 0, b² − 4ac > 0, and f(x) = ax² + bx + c for all x, how many x-intercepts does the graph of y = f(x) have?
    • Exercises from the textbook due on September 16 Friday (submit these through MyLab in the Next item): 3.3.1, 3.3.2, 3.3.3, 3.3.4, 3.3.15–22, 3.3.31, 3.3.33, 3.3.43, 3.3.49, 3.3.53, 3.3.57, 3.3.61, 3.3.63, 3.3.67, 3.3.70.
16. Applications of quadratic functions:
    • Reading:
      • Section 3.4 through Objective 1 (pages 156–160) from the textbook;
      • My online notes on economic applications.
    • Exercises due on September 16 Friday (submit these here on Canvas or in class):
      1. If you make and sell x items per year at a price of p dollars per item, then what is your revenue (in dollars per year)?
      2. If a business's revenue is R dollars per year and its costs are C dollars per year, then what is its profit (in dollars per year)?
      3. If the width of a rectangle is w metres and its length is l metres, then what is its area (in square metres)?
    • Exercises from the textbook due on September 19 Monday (submit these through MyLab in the Next item): 3.3.87, 3.3.89, 3.3.93, 3.3.95, 3.4.3, 3.4.5, 3.4.7, 3.4.9, 3.4.11, 3.4.13, 3.4.15.
17. Power functions:
    • Reading: Section 4.1 through Objective 2 (pages 175–180) from the textbook.
    • Exercises due on September 19 Monday (submit these here on Canvas or in class): Give the coordinates of:
      1. A point on the graph of every power function;
      2. Another point (different from the answer to #1) on the graph of every power function with a positive exponent;
      3. Another point on the graph of every power function with an even exponent;
      4. Another point on the graph of every power function with an odd exponent.
    • Exercises from the textbook due on September 20 Tuesday (submit these through MyLab in the Next item): 4.1.2, 4.1.15, 4.1.17, 4.1.19, 4.1.21, 4.1.27, 4.1.29, 4.1.33.
18. Graphing polynomials:
    • Reading:
      • The rest of Section 4.1 (pages 180–186) from the textbook;
      • My online notes on graphing polynomials (but the last paragraph is optional);
      • Section 4.2 through Objective 1 (pages 190–192) from the textbook.
    • Exercises due on September 20 Tuesday (submit these here on Canvas or in class):
      1. If a root (aka zero) of a polynomial function has odd multiplicity, then does the graph cross (go through) or only touch (bounce off) the horizontal axis at the intercept given by that root? Which does the graph do if the root has even multiplicity?
      2. If the leading coefficient of a polynomial function is positive, then does the graph's end behaviour go up on the far right, or down? Which does the graph do if the leading coefficient is negative?
    • Exercises from the textbook due on September 21 Wednesday (submit these through MyLab in the Next item): 4.1.1, 4.1.11, 4.1.41, 4.1.43, 4.1.47, 4.1.49, 4.1.59, 4.1.61, 4.1.69, 4.1.71, 4.1.73, 4.1.75, 4.2.1, 4.2.2, 4.2.5, 4.2.11.
19. Advanced factoring:
    • Reading:
      • Section A.4 (pages A31–A34) from the textbook;
      • Section 4.6 through Objective 1 (pages 231–234) from the textbook;
      • Section 4.6 Objectives 3–5 (pages 235–239) from the textbook.
    • Exercises due on September 21 Wednesday (submit these here on Canvas or in class):
      1. Suppose that f is a polynomial function and c is a number. If you divide f(x) by x − c, then what will the remainder be?
      2. Suppose that f is a polynomial function with rational coefficients and c is an integer. If x − c is a factor of f(x), then what is f(c)?
    • Exercises from the textbook due on September 22 Thursday (submit these through MyLab in the Next item): 4.6.2, 4.6.3, 4.6.4, 4.6.11, 4.6.15, 4.6.19, 4.6.33, 4.6.35, 4.6.37, 4.6.45, 4.6.51, 4.6.53, 4.6.57, 4.6.59, 4.6.65, 4.6.67, 4.6.93, 4.6.99, 4.6.101.
20. Imaginary roots:
    • Reading: Section 4.7 (pages 245–250) from the textbook.
    • Exercises due on September 22 Thursday (submit these here on Canvas or in class): Suppose that f is a polynomial function with real coefficients and a and b are real numbers with b ≠ 0.
      1. If the imaginary complex number a + bi is a root (or zero) of f, then what other number must be a root of f?
      2. What polynomial in x (with real coefficients) must be a factor of f(x)?
    • Exercises from the textbook due on September 23 Friday (submit these through MyLab in the Next item): 4.7.1, 4.7.2, 4.7.9, 4.7.11, 4.7.13, 4.7.15, 4.7.17, 4.7.19, 4.7.21, 4.7.23, 4.7.25, 4.7.29, 4.7.35, 4.7.39.
21. Rational functions:
    • Reading:
      • Section 4.3 (pages 198–205) from the textbook;
      • Section 4.4 (pages 209–219) from the textbook;
      • My online notes on rational functions.
    • Exercises due on September 23 Friday (submit these here on Canvas or in class):
      1. If a graph gets arbitrarily close to a line (without necessarily reaching it) in some direction, then the line is a(n) _____ of the graph.
      2. If the reduced form of a rational function is defined somewhere where the original (unreduced) form is not, then the graph of the original function has a(n) _____ there.
    • Exercises from the textbook due on September 26 Monday (submit these through MyLab in the Next item): 4.3.2, 4.3.3, 4.3.4, 4.3.15, 4.3.17, 4.3.19, 4.3.23, 4.3.27, 4.3.29, 4.3.31, 4.3.35, 4.3.45, 4.3.47, 4.3.49, 4.3.51, 4.4.1, 4.4.5, 4.4.7, 4.4.9, 4.4.11, 4.4.17, 4.4.19, 4.4.21, 4.4.23, 4.4.31, 4.4.33, 4.4.35, 4.4.51, 4.4.53.
22. Inequalities:
    • Reading:
      • Section 4.5 (pages 224–228) from the textbook;
      • My online notes on solving inequalities.
    • Exercise due on September 26 Monday (submit this here on Canvas or in class): Suppose that you have a rational inequality in one variable that you wish to solve. You investigate the inequality and discover the following facts about it:
      • the left-hand side is always defined;
      • the right-hand side is undefined when x is 2 but is otherwise defined;
      • the left-hand side and right-hand side are equal when x is −3/2 and only then;
      • the original inequality is true when x is −3/2 or 3 but false when x is −2, 0, or 2.
      What are the solutions to the inequality?
    • Exercises from the textbook due on September 27 Tuesday (submit these through MyLab in the Next item): 4.5.1, 4.5.5, 4.5.7, 4.5.9, 4.5.13, 4.5.15, 4.5.19, 4.5.21, 4.5.23, 4.5.27, 4.5.29, 4.5.35, 4.5.39, 4.5.41, 4.5.43, 4.5.47.

Transcendental functions

23. Exponential functions:
    • Reading:
      • Section 5.3 (pages 279–290) from the textbook;
      • My online notes on exponential functions.
    • Exercises due on September 27 Tuesday (submit these here on Canvas or in class): Let f(x) be Cb^x for all x.
      1. What is f(x + 1)/f(x)?
      2. What are f(−1), f(0), and f(1)?
      (Write your answers using b and C, and simplify them as much as possible.)
    • Exercises from the textbook due on September 28 Wednesday (submit these through MyLab in the Next item): 5.3.1, 5.3.15, 5.3.16, 5.3.21, 5.3.23, 5.3.25, 5.3.27, 5.3.29, 5.3.31, 5.3.33, 5.3.35, 5.3.37–44, 5.3.45, 5.3.47, 5.3.51, 5.3.53, 5.3.57, 5.3.59, 5.3.61, 5.3.65, 5.3.67, 5.3.71, 5.3.73, 5.3.76, 5.3.77, 5.3.79, 5.3.83, 5.3.85, 5.3.91, 5.3.93.
24. Logarithmic functions:
    • Reading:
      • Section 5.4 (pages 296–304) from the textbook;
      • My online notes on logarithmic functions.
    • Exercises due on September 28 Wednesday (submit these here on Canvas or in class): Suppose that b > 0 and b ≠ 1.
      1. Rewrite log_b M = r as an equation involving exponentiation.
      2. What are log_b b, log_b 1, and log_b(1/b)?
    • Exercises from the textbook due on September 29 Thursday (submit these through MyLab in the Next item): 5.4.11, 5.4.13, 5.4.15, 5.4.17, 5.4.19, 5.4.21, 5.4.23, 5.4.25, 5.4.27, 5.4.29, 5.4.31, 5.4.33, 5.4.35, 5.4.37, 5.4.39, 5.4.43, 5.4.51, 5.4.53, 5.4.55, 5.4.57, 5.4.65–72, 5.4.73, 5.4.79, 5.4.83, 5.4.85, 5.4.89, 5.4.91, 5.4.93, 5.4.95, 5.4.97, 5.4.99, 5.4.101, 5.4.103, 5.4.105, 5.4.107, 5.4.109, 5.4.111, 5.4.119, 5.4.129, 5.4.131.
25. Properties of logarithms:
    • Reading:
      • Section 5.5 (pages 309–315) from the textbook;
      • My online notes on laws of logarithms.
    • Exercises due on September 29 Thursday (submit these here on Canvas or in class): Fill in the blanks to break down these expressions using properties of logarithms. (Assume that b, u, and v are all positive and that b ≠ 1.)
      1. log_b(uv) = ___;
      2. log_b(u/v) = ___;
      3. log_b(u^x) = ___.
    • Exercises from the textbook due on September 30 Friday (submit these through MyLab in the Next item): 5.5.7, 5.5.11, 5.5.13, 5.5.15, 5.5.17, 5.5.19, 5.5.21, 5.5.23, 5.5.25, 5.5.27, 5.5.37, 5.5.39, 5.5.41, 5.5.43, 5.5.45, 5.5.47, 5.5.49, 5.5.51, 5.5.53, 5.5.55, 5.5.57, 5.5.61, 5.5.63, 5.5.65, 5.5.67, 5.5.69, 5.5.71, 5.5.73, 5.5.75, 5.5.78, 5.5.87, 5.5.91, 5.5.97.
26. Logarithmic equations:
    • Reading: Section 5.6 through Objective 2 (pages 318–321) from the textbook.
    • Exercises due on October 4 Tuesday (submit these here on Canvas or in class): In solving which of the following equations would it be useful to have a step in which you take logarithms of both sides of the equation? (Say Yes or No for each one.)
      1. log₂(x + 3) = 5;
      2. (x + 3)² = 5;
      3. 2^{x + 3} = 5.
    • Exercises from the textbook due on October 5 Wednesday (submit these through MyLab in the Next item): 5.6.1, 5.6.2, 5.6.5, 5.6.7, 5.6.9, 5.6.15, 5.6.19, 5.6.21, 5.6.23, 5.6.25, 5.6.27, 5.6.29, 5.6.31, 5.6.39, 5.6.43, 5.6.45, 5.6.49, 5.6.57, 5.6.61.
27. Compound interest:
    • Reading:
      • Section 5.7 (pages 325–331) from the textbook;
      • My online notes on compound interest.
    • Exercises due on October 5 Wednesday (submit these here on Canvas or in class):
      1. The original amount of money that earns interest is the _____.
      2. If you borrow P dollars at 100r% annual interest compounded n times per year, then how much will you owe after t years (if you make no payments)?
    • Exercises from the textbook due on October 6 Thursday (submit these through MyLab in the Next item): 5.7.1, 5.7.2, 5.7.7, 5.7.11, 5.7.13, 5.7.15, 5.7.21, 5.7.31, 5.7.33, 5.7.41, 5.7.43.
28. Applications of logarithms:
    • Reading:
      • Section 5.8 (pages 335–342) from the textbook;
      • My online notes on applications of logarithms.
    • Exercise due on October 6 Thursday (submit this here on Canvas or in class): Suppose that a quantity A undergoes exponential growth with a relative growth rate of k and an initial value of A₀ at time t = 0. Write down a formula for the value of A as a function of the time t.
    • Exercises from the textbook due on October 7 Friday (submit these through MyLab in the Next item): 5.8.1, 5.8.3, 5.8.5, 5.8.7, 5.8.9, 5.8.11, 5.8.13, 5.8.15, 5.8.17, 5.8.19, 5.8.21, 5.8.23.
29. Circles:
    • Reading: Section 1.4 (pages 35–39) from the textbook.
    • Exercises due on October 7 Friday (submit these here on Canvas or in class):
      1. Fill in the blank: The distance from the centre (or center) of a circle to any point on the circle is the _____ of the circle.
      2. Write down an equation in the variables x and y for a circle whose centre is (h, k) and whose radius is r. (This will be an equation in which x, y, h, k, and r all appear.)
      3. If x² + y² = r² is the equation of a circle in x and y, then what are the coordinates of the centre of the circle?
    • Exercises from the textbook due on October 10 Monday (submit these through MyLab in the Next item): 1.4.5, 1.4.9, 1.4.11, 1.4.13, 1.4.15, 1.4.17, 1.4.21, 1.4.23, 1.4.25, 1.4.27.
30. Angles:
    • Reading: Section 6.1 through Objective 4 (pages 362–368) from the textbook.
    • Exercises due on October 10 Monday (submit these here on Canvas or in class):
      1. If a central angle in a circle subtends an arc whose length equals the circle's radius, then what is the measure of that angle?
      2. How many radians is 360°?
    • Exercises from the textbook due on October 11 Tuesday (submit these through MyLab in the Next item): 6.1.11, 6.1.13, 6.1.15, 6.1.17, 6.1.19, 6.1.21, 6.1.23, 6.1.26, 6.1.35, 6.1.37.
31. Length and area with radians:
    • Reading: The rest of Section 6.1 (pages 368–370) from the textbook.
    • Exercises due on October 11 Tuesday (submit these here on Canvas or in class):
      1. In a circle of radius r, a central angle whose measure is θ radians subtends an arc whose length is s = ___.
      2. In a circle of radius r, a central angle whose measure is θ forms a sector whose area is A = ___.
    • Exercises from the textbook due on October 12 Wednesday (submit these through MyLab in the Next item): 6.1.71, 6.1.73, 6.1.79, 6.1.81, 6.1.87, 6.1.91, 6.1.95, 6.1.99.
32. The trigonometric operations:
    • Reading:
      • Section 6.2 through Objective 2 (pages 375–380) from the textbook;
      • Section 6.2 Objectives 6&7 (pages 385–387) from the textbook.
    • Exercises due on October 12 Wednesday (submit these here on Canvas or in class):
      1. Suppose that you start at the point (1, 0) in a rectangular coordinate system and move in the direction towards (0, 1) along the unit circle, for a total distance t. (This is the usual thing, not a trick question.) If you end at the point (x, y), express sin t, cos t, tan t, cot t, sec t, and csc t using only x and y.
      2. Now instead of moving along the unit circle (with radius 1), move along a circle of radius r (but still centred at the origin). That is, start at (r, 0) and move along the circle in the direction of (0, r) for a total distance of s, and let θ be s/r. (This is again the usual thing for a non-unit radius.) Now if you end at the point (x, y), express sin θ, cos θ, tan θ, cot θ, sec θ, and csc θ using only x, y, and r.
      3. If you want to calculate the secant of 50 degrees on a calculator with buttons only for sine, cosine, and tangent, then what do you enter on the calculator?
    • Exercises from the textbook due on October 13 Thursday (submit these through MyLab in the Next item): 6.2.13, 6.2.15, 6.2.17, 6.2.19, 6.2.65, 6.2.67, 6.2.69, 6.2.71, 6.2.77, 6.2.79.
33. Right triangles:
    • Reading: Section 8.1 through Objective 2 (pages 522–524) from the textbook.
    • Exercises due on October 13 Thursday (submit these here on Canvas or in class):
      1. If θ is the measure of an acute angle in a right triangle, then express the six basic trigonometric functions of θ as ratios of the lengths of the adjacent leg, the opposite leg, and the hypotenuse.
      2. Fill in the blank: The sine of the complement of θ is the _____ of θ.
    • Exercises from the textbook due on October 14 Friday (submit these through MyLab in the Next item): 8.1.9, 8.1.11, 8.1.13, 8.1.19, 8.1.21, 8.1.23.
34. Special angles:
    • Reading: The rest of Section 6.2 (pages 380–385) from the textbook.
    • Exercises due on October 14 Friday (submit these here on Canvas or in class):
      1. Write down the exact values of the sine, cosine, tangent, cotangent, secant, and cosecant of 0, π/6, π/4, π/3, and π/2. (This is 30 values to write down in all, which you might put into a handy table. One way or another, be sure to label which value is which.)
      2. For each of Quadrants I, II, III, and IV, which of the six fundamental trigonometric functions of θ are positive and which are negative when θ terminates in that quadrant? (This is 24 positive/negative answers in all, which you might also put into a table.)
    • Exercises from the textbook due on October 19 Wednesday (submit these through MyLab in the Next item): 6.2.31, 6.2.33, 6.2.35, 6.2.41, 6.2.43, 6.2.45, 6.2.47, 6.2.49, 6.2.51, 6.2.53, 6.2.55, 6.3.11, 6.3.19, 6.3.31.

Analytic trigonometry

35. The trigonometric functions:
    • Reading: Section 6.3 (pages 392–403) from the textbook.
    • Exercises due on October 19 Wednesday (submit these here on Canvas or in class):
      1. Most of the six trigonometric functions have a period of 2π; which two have a period of π instead?
      2. Consider the numbers 2 and 1/2. Which is in the range of the sine function, and which is in the range of the cosecant function?
      3. Out of 0, π/2, π, and 2π, which is not in the domain of the tangent function?
    • Exercises from the textbook due on October 20 Thursday (submit these through MyLab in the Next item): 6.4.3, 6.3.35, 6.3.37, 6.3.43, 6.3.45, 6.3.53, 6.3.55, 6.3.89, 6.3.115.
36. Basic sinusoidal graphs:
    • Reading:
      • Section 6.4 through the box before Example 1 (pages 407&408) from the textbook;
      • Section 6.4 Objective 2 through the box before Example 3 (pages 409&410) from the textbook.
    • Exercises due on October 20 Thursday (submit these here on Canvas or in class):
      1. List at least five consecutive horizontal intercepts of the graph of the sine function.
      2. Give the vertical intercept of the graph of the sine function.
      3. List at least five consecutive turning points of the graph of the sine function.
      4. List at least five consecutive horizontal intercepts of the graph of the cosine function.
      5. Give the vertical intercept of the graph of the cosine function.
      6. List at least five consecutive turning points of the graph of the cosine function.
    • Exercises from the textbook due on October 21 Friday (submit these through MyLab in the Next item): 6.4.6, 6.4.8, 6.4.11, 6.4.13.
37. More basic graphs:
    • Reading:
      • Section 6.5 through "The Graph of the Cotangent Function y = cot x" (pages 422–424) from the textbook;
      • Section 6.5 Objective 3 (pages 425&426) from the textbook.
    • Exercises due on October 25 Tuesday (submit these here on Canvas or in class):
      1. List at least five consecutive horizontal intercepts of the graph of the tangent function.
      2. List at least five consecutive linear asymptotes of the graph of the tangent function.
      3. List at least five consecutive horizontal intercepts of the graph of the cotangent function.
      4. List at least five consecutive linear asymptotes of the graph of the cotangent function.
      5. List at least five consecutive linear asymptotes of the graph of the secant function.
      6. List at least five consecutive linear asymptotes of the graph of the cosecant function.
    • Exercises from the textbook due on October 26 Wednesday (submit these through MyLab in the Next item): 6.5.3, 6.5.6, 6.5.7, 6.5.10, 6.5.11, 6.5.12, 6.5.13, 6.5.16.
38. Transformations of trigonometric functions:
    • Reading:
      • Section 6.4 Objective 1 Examples 1&2 (pages 408&409) from the textbook;
      • Section 6.4 Objective 2 Example 3 (page 410) from the textbook;
      • Section 6.5 Objective 2 (pages 424&425) from the textbook;
      • Section 6.5 Objective 4 (pages 426&427) from the textbook.
    • Exercises due on October 26 Wednesday (submit these here on Canvas or in class): Suppose that f is a periodic function with period T. (For example, f might be the sine function, so that T would be 2π, or f might be the tangent function, so that T would be π. But answer the questions in general, referring to T.)
      1. What is the period (as a function of x) of f(x) + 2?
      2. What is the period of f(2x)?
      3. What is the period of 2f(x)?
    • Exercises from the textbook due on October 27 Thursday (submit these through MyLab in the Next item): 6.4.23–32, 6.5.17, 6.5.21, 6.5.23, 6.5.25, 6.5.29, 6.5.31.
39. Sinusoidal functions:
    • Reading:
      • My handout on sinusoidal functions (TBA);
      • The rest of Section 6.4 (pages 410–416) from the textbook;
      • Section 6.6 Objective 1 (pages 429–433) from the textbook.
    • Exercises due on October 27 Thursday (submit these here on Canvas or in class):
      1. If f(x) = A sin(ωx) for all x, with A > 0 and ω > 0, then what are the amplitude and period of f?
      2. If f(x) = A sin x + B for all x, with A > 0, then what are the maximum and minimum values of f?
      3. If f(x) = sin(ωx − φ) for all x, with ω > 0 and 0 ≤ φ < 2π, then what is the phase shift of f?
    • Exercises from the textbook due on October 28 Friday (submit these through MyLab in the Next item): 6.4.35, 6.4.39, 6.4.51, 6.4.57, 6.4.61, 6.4.87, 6.6.9, 6.6.11, 6.6.17, 6.6.19.
40. Inverse trigonometric operations:
    • Reading:
      • Section 7.1 through Objective 7 (pages 450–458) from the textbook;
      • Section 7.2 through Objective 2 (pages 463–465) from the textbook.
    • Exercises due on October 28 Friday (submit these here on Canvas or in class): Fill in all of these blanks with algebraic expressions (or constants). Work only in the real number system.
      1. That y = sin⁻¹ x means that x = ___ and ___ ≤ y ≤ ___.
      2. cos⁻¹ x exists if and only if ___ ≤ x ≤ ___.
      3. cos⁻¹ cos θ = θ if and only if ___ ≤ θ ≤ ___.
    • Exercises from the textbook due on October 31 Monday (submit these through MyLab in the Next item): 7.1.19, 7.1.21, 7.2.11, 7.2.13, 7.2.19, 7.1.39, 7.1.41, 7.1.43, 7.1.45, 7.1.51, 7.1.53, 7.1.55, 7.1.57.
41. More inverse trigonometric operations:
    • Reading:
      • The rest of Section 7.1 (pages 458&459) from the textbook;
      • The rest of Section 7.2 (pages 465&466) from the textbook;
      • My handout on inverse trigonometric operations (DjVu).
    • Exercises due on 🎃 October 31 Monday 🦇 (submit these here on Canvas or in class): Fill in all of these blanks with algebraic expressions (or constants). Work only in the real number system.
      1. cos sin⁻¹ x = ___ (if either side exists).
      2. If f is the function given by f(x) = sin⁻¹ x, then what is its inverse function f ⁻¹? (Write down a formula that involves one or more of the six basic trigonometric operations and that includes all necessary conditions.)
    • Exercises from the textbook due on November 1 Tuesday (submit these through MyLab in the Next item): 7.2.33, 7.2.35, 7.2.47, 7.2.49, 7.1.59, 7.1.61, 7.2.61, 7.2.63, 7.2.65.
42. Sum-angle formulas:
    • Reading:
      • Section 7.5 through Objective 3 (pages 487–494) from the textbook;
      • Section 7.6 through the paragraph with the footnote following Example 2 in Objective 2 (pages 500–502) from the textbook.
    • Exercises due on November 1 Tuesday (submit these here on Canvas or in class): Fill in the blanks with trigonometric expressions in which each trigonometric operation that appears is only applied directly to α or β.
      1. sin(α + β) = ___.
      2. cos(α + β) = ___.
      3. sin(α − β) = ___.
      4. tan(α + β) = ___.
      5. sin(2α) = ___.
    • Exercises from the textbook due on November 2 Wednesday (submit these through MyLab in the Next item): 7.5.15, 7.5.17, 7.5.19, 7.5.21, 7.5.35, 7.5.37, 7.5.39, 7.5.41, 7.5.77, 7.6.83, 7.6.85, 7.6.87.
43. Sum–product formulas:
    • Reading:
      • The rest of Section 7.6 Objective 2 through Example 3 (pages 502&503) from the textbook;
      • Section 7.7 (pages 511–513) from the textbook.
    • Exercises due on November 2 Wednesday (submit these here on Canvas or in class):
      1. Express sin² α using sin(2α) and/or cos(2α).
      2. Express sin α sin β using sin(α + β), sin(α − β), cos(α + β), and/or cos(α − β).
      3. Factor sin α + sin β so that each factor has at most one trigonometric operation.
    • Exercises from the textbook due on November 3 Thursday (submit these through MyLab in the Next item): 7.7.7, 7.7.9, 7.7.11, 7.7.13, 7.7.15, 7.7.17, 7.7.19, 7.7.21, 7.7.23.
44. Half-angle formulas:
    • Reading: Section 7.6 Objective 3 (pages 504–506) from the textbook.
    • Exercises due on November 3 Thursday (submit these here on Canvas or in class): Fill in the blanks with trigonometric expressions in which each trigonometric operation that appears is only applied directly to α. Make sure that each expression has at most one value for each value of α; in other words, do not use ±.
      1. sin²(α/2) = ___.
      2. cos²(α/2) = ___.
      3. tan(α/2) = ___ (notice not squared).
    • Exercises from the textbook due on November 4 Friday (submit these through MyLab in the Next item): 7.6.25, 7.6.29, 7.6.23, 7.6.27, 7.6.9, 7.6.11, 7.6.13, 7.6.15, 7.6.17, 7.6.19.
45. Simplifying trigonometric expressions:
    • Reading:
      • My handout on simplifying trigonometric expressions (DjVu);
      • Section 7.4 (pages 479–484) from the textbook.
    • Exercises due on November 4 Friday (submit these here on Canvas or in class):
      1. Fill in the blank with an expression in which sin θ is the only trigonometric quantity: cos² θ = ___.
      2. Factor without using any trigonometric identities: sin² θ − 1 = (___)(___).
      3. If you regard a cosine as a square root, then what expression is conjugate to 1 − cos θ? (Hint: If you were to multiply these conjugate expressions together, then θ would appear only as cos² θ.)
    • Exercises from the textbook due on November 7 Monday (submit these through MyLab in the Next item): 7.4.1, 7.4.2, 7.4.6, 7.4.8, 7.4.11, 7.4.15, 7.4.17, 7.4.29, 7.4.55, 7.4.71, 7.4.95.
46. Trigonometric equations:
    • Reading: Section 7.3 (pages 469–474) from the textbook.
    • Exercises due on November 7 Monday (submit these here on Canvas or in class):
      1. Write a general form for the solutions of tan x = b using tan⁻¹ b and an arbitrary integer k.
      2. Similarly, give the general solution of sin x = b. (This one is more complicated than the last one.)
      3. To obtain θ ∈ [0, 2π) (that is, 0 ≤ θ < 2π), what interval should 3θ belong to?
    • Exercises from the textbook due on November 8 Tuesday (submit these through MyLab in the Next item): 7.3.13, 7.3.23, 7.3.25, 7.3.27, 7.3.37, 7.3.39, 7.3.115.
47. Tricky trigonometric equations:
    • Reading:
      • Section 7.5 Objective 4 (pages 494–496) from the textbook;
      • Section 7.6 Objective 2 Examples 4&5 (pages 503&504) from the textbook.
    • Exercises due on November 8 Tuesday (submit these here on Canvas or in class):
      1. Since you can factor x + xy as x(1 + y), how can you factor cos θ + sin θ cos θ?
      2. To solve a sin θ + b cos θ = c with the help of a sum-angle formula, what should you multiply both sides of the equation by?
      3. To solve sin(aθ) + sin(bθ) = 0, how can you factor the left-hand side?
    • Exercises from the textbook due on November 9 Wednesday (submit these through MyLab in the Next item): 7.3.61, 7.3.73, 7.5.93, 7.5.97, 7.6.75, 7.6.77, 7.7.47.

Applications of trigonometry

48. Solving right triangles:
    • Reading: Section 8.1 Objective 3 (pages 524&525) from the textbook.
    • Exercises due on November 9 Wednesday (submit these here on Canvas or in class):
      1. Answer this in degrees, and also answer it in radians: If A and B are the two acute angles in a right triangle, then A + B = ___.
      2. True or false: Knowing any two of the three sides of a right triangle is enough information to solve the triangle completely.
      3. True or false: Knowing any two of the three angles of a right triangle is enough information to solve the triangle completely.
    • Exercises from the textbook due on November 10 Thursday (submit these through MyLab in the Next item): 8.1.2, 8.1.29, 8.1.31, 8.1.33, 8.1.35, 8.1.37, 8.1.39, 8.1.41.
49. The Law of Sines:
    • Reading: Section 8.2 through Objective 2 (pages 535–539) from the textbook.
    • Exercises due on November 10 Thursday (submit these here on Canvas or in class): In each of the following forms of the Law of Sines, fill in the blank to get a true theorem (where a, b and c are the lengths of the three sides of a triangle and A, B, and C are the measures of the respective opposite angles).
      1. a ÷ sin A = b ÷ ___.
      2. b ÷ c = sin B ÷ ___.
      3. sin A ÷ a = sin C ÷ ___.
    • Exercises from the textbook due on November 11 Friday (submit these through MyLab in the Next item): 8.2.9, 8.2.11, 8.2.13, 8.2.15, 8.2.18, 8.2.27, 8.2.29, 8.2.33, 8.2.35, 8.2.37.
50. The Law of Cosines:
    • Reading:
      • Section 8.3 through Objective 2 (pages 546–548) from the textbook;
      • My handout on solving triangles (DjVu).
    • Exercises due on November 15 Tuesday (submit these here on Canvas or in class):
      1. Which law do you use to solve a triangle, if you are given two angles and one of the sides?
      2. Which law do you use if you are given the three sides?
      3. What do you do if you are given only the angles?
    • Exercises from the textbook due on November 16 Wednesday (submit these through MyLab in the Next item): 8.3.9, 8.3.11, 8.3.13, 8.3.15, 8.3.35, 8.3.37, 8.3.41, 8.3.43.
51. Area of triangles:
    • Reading: Section 8.4 (pages 553–555) from the textbook.
    • Exercises due on November 16 Wednesday (submit these here on Canvas or in class):
      1. If two sides of a triangle have lengths a and b and the angle between them has measure C, then what is the area of the triangle?
      2. If a triangle's sides have lengths a, b, and c, then what is the area of the triangle? (Express this using only a, b, c, and non-trigonometric operations. You may use the perimeter or semiperimeter as well, if you find it convenient, but then you must state what that is using only a, b, and c.)
    • Exercises from the textbook due on November 17 Thursday (submit these through MyLab in the Next item): 8.4.9, 8.4.11, 8.4.13, 8.4.15, 8.4.17, 8.4.19, 8.4.21, 8.4.25, 8.4.27, 8.4.37.
52. Applications of solving triangles:
    • Reading:
      • Section 8.1 Objective 4 (pages 524–529) from the textbook;
      • Section 8.2 Objective 3 (pages 539–541) from the textbook;
      • Section 8.3 Objective 3 (pages 548&549) from the textbook.
    • Exercises due on November 17 Thursday (submit these here on Canvas or in class):
      1. If you know the horizontal distance to the base of an object and the angle of elevation to the top of the object and you want to find the height of the object, then would you use the sine, the cosine, or the tangent of the angle of elevation?
      2. If a bearing is N30°E, then what is the angle that this direction makes with due north, and what angle does it make with due east?
      3. If you divide a polygon with n sides into triangles, then how many triangles will you need?
    • Exercises from the textbook due on November 18 Friday (submit these through MyLab in the Next item): 8.1.43, 8.1.45, 8.1.47, 8.1.51, 8.1.63, 8.2.39, 8.2.49, 8.3.45, 8.3.57, 8.4.46, 8.4.53.
53. Harmonic motion:
    • Reading: Section 8.5 (pages 559–565) from the textbook.
    • Exercises due on November 18 Friday (submit these here on Canvas or in class):
      1. Fill in the blank with more than one word: If the position of an object is a sinusoidal function of time, then the object is undergoing _________ motion.
      2. If the sinusoidal function is modified so that the amplitude is an exponential function with a negative growth rate (instead of a constant), then the object is undergoing _________ motion.
    • Exercises from the textbook due on November 21 Monday (submit these through MyLab in the Next item): 8.5.7, 8.5.9, 8.5.11, 8.5.13, 8.5.15, 8.5.17, 8.5.19, 8.5.21, 8.5.23, 8.5.25.
54. Polar coordinates:
    • Reading: Section 9.1 through Objective 3 (pages 576–582) from the textbook.
    • Exercises due on November 21 Monday (submit these here on Canvas or in class):
      1. Fill in the blanks with expressions: Given a point with polar coordinates (r, θ), its rectangular coordinates are (x, y) = (___, ___).
      2. True or false: For each point P in the coordinate plane, for each pair (r, θ) of real numbers that gives P in polar coordinates, r ≥ 0 and 0 ≤ θ < 2π.
      3. True or false: For each point P in the coordinate plane, for some pair (r, θ) of real numbers that gives P in polar coordinates, r ≥ 0 and 0 ≤ θ < 2π.
    • Exercises from the textbook due on November 22 Tuesday (submit these through MyLab in the Next item): 9.1.13–20, 9.1.21, 9.1.23, 9.1.25, 9.1.27, 9.1.31, 9.1.33, 9.1.35, 9.1.45, 9.1.47, 9.1.49, 9.1.51, 9.1.53, 9.1.59, 9.1.63.
55. Equations in polar coordinates:
    • Reading:
      • Section 9.1 Objective 4 (pages 582&583) from the textbook;
      • Section 9.2 through Objective 1 (pages 585–589) from the textbook.
    • Exercises due on November 22 Tuesday (submit these here on Canvas or in class): Let x and y be rectangular coordinates, and let r and θ be the corresponding polar coordinates.
      • Express the following quantities using only x and y:
        1. r²,
        2. tan θ;
      • Express the following quantities using x, y, and/or r:
        3. sin θ,
        4. cos θ.
    • Exercises from the textbook due on November 28 Monday (submit these through MyLab in the Next item): 9.1.77, 9.1.79, 9.1.83, 9.1.85, 9.2.15, 9.2.17, 9.2.19, 9.2.21, 9.2.23.
56. Graphing in polar coordinates:
    • Reading: The rest of Section 9.2 (pages 589–597) from the textbook.
    • Exercises due on November 28 Monday (submit these here on Canvas or in class):
      1. Let a be a positive number, and consider the circle given in polar coordinates by r = 2a sin θ. The radius of this circle is ___, and its centre is (___, ___) in rectangular coordinates.
      2. Let n be a positive integer, and consider the rose curve given in polar coordinates by r = sin(nθ). If n is even, then this rose has ___ petals; if n is odd, then it has ___ petals.
    • Exercises from the textbook due on November 29 Tuesday (submit these through MyLab in the Next item): 9.2.31–38, 9.2.39, 9.2.43, 9.2.47, 9.2.51, 9.2.55, 9.2.59.
57. Complex numbers:
    • Reading:
      • Section 9.3 (pages 600–607) from the textbook;
      • My handout on complex numbers (DjVu).
    • Exercises due on November 29 Tuesday (submit these here on Canvas or in class):
      1. What is the magnitude (absolute value) of the complex number x + iy?
      2. Write the complex number with magnitude r and argument θ.
      3. What is the product of r₁(cos θ₁ + i sin θ₁) and r₂(cos θ₂ + i sin θ₂)?
    • Exercises from the textbook due on November 30 Wednesday (submit these through MyLab in the Next item): 9.3.13, 9.3.15, 9.3.17, 9.3.19, 9.3.21, 9.3.23, 9.3.25, 9.3.29, 9.3.33, 9.3.35, 9.3.37, 9.3.41, 9.3.43, 9.3.45, 9.3.47, 9.3.49, 9.3.53, 9.3.55, 9.3.57, 9.3.59, 9.3.61, 9.3.63.
58. Vectors:
    • Reading: Section 9.4 (pages 609–619) from the textbook.
    • Exercises due on November 30 Wednesday (submit these here on Canvas or in class):
      1. Give a formula for the vector from the initial point (x₁, y₁) to the terminal point (x₂, y₂).
      2. Give a formula for the magnitude (or norm, or length) of the vector ⟨a, b⟩.
    • Exercises from the textbook due on December 1 Thursday (submit these through MyLab in the Next item): 9.4.11, 9.4.13, 9.4.15, 9.4.17, 9.4.27, 9.4.29, 9.4.37, 9.4.39, 9.4.43, 9.4.45, 9.4.49, 9.4.51.
59. Vectors and angles:
    • Reading: Section 9.5 (pages 624–629) from the textbook.
    • Exercises due on December 1 Thursday (submit these here on Canvas or in class):
      1. State a formula for the dot product u ⋅ v of two vectors using only their lengths |u| and |v|, the angle θ = ∠(u, v) between them, and real-number operations.
      2. State a formula for the dot product of ⟨a, b⟩ and ⟨c, d⟩ using only real-number operations and the rectangular components a, b, c, and d.
    • Exercises from the textbook due on December 2 Friday (submit these through MyLab in the Next item): 9.4.61, 9.4.63, 9.4.65, 9.4.67, 9.4.69, 9.5.9, 9.5.11, 9.5.13, 9.5.15, 9.5.17, 9.5.19, 9.5.21, 9.5.23, 9.5.25.

Quizzes

1. Graphs and functions:
   • Review date: September 9 Friday (in class).
   • Date taken: September 12 Monday (in class).
   • Corresponding problem sets: 2–11.
   • Help allowed: Your notes, a self-contained calculator.
   • NOT allowed: The textbook, my notes, other people, websites, etc.
2. Polynomial functions:
   • Review date: September 30 Friday (in class).
   • Date taken: October 3 Monday (in class).
   • Corresponding problem sets: 12–22.
   • Help allowed: Your notes, a self-contained calculator.
   • NOT allowed: The textbook, my notes, other people, websites, etc.
3. Transcendental functions:
   • Review date: October 21 Friday (in class).
   • Date taken: October 24 Monday (in class).
   • Corresponding problem sets: 23–34.
   • Help allowed: Your notes, a self-contained calculator.
   • NOT allowed: The textbook, my notes, other people, websites, etc.
4. Analytic trigonometry:
   • Review date: November 11 Friday (in class).
   • Date taken: November 14 Monday (in class).
   • Corresponding problem sets: 35–47.
   • Help allowed: Your notes, a self-contained calculator.
   • NOT allowed: The textbook, my notes, other people, websites, etc.
5. Applications of trigonometry:
   • Review date: December 2 Friday (in class).
   • Date taken: December 5 Monday (in class).
   • Corresponding problem sets: 48–59.
   • Help allowed: Your notes, a self-contained calculator.
   • NOT allowed: The textbook, my notes, other people, websites, etc.

Final exam

For the exam, you may use one sheet of notes that you wrote yourself. However, you may not use your book or anything else not written by you. You certainly should not talk to other people! Calculators are allowed (although you shouldn't really need one), but not communication devices (like cell phones).

The exam consists of questions similar in style and content to those in the practice final exam (DjVu).

The permanent URI of this web page is https://tobybartels.name/MATH-1300/2022FA/.