**Unit 3: Exponential and Logarithmic Functions**

**Videos for nearly all these topics can be found by searching at: https://www.khanacademy.org/math.

**Class 20: 3/21/17**

5.0 Algebra Toolbox

- What are the properties of exponents? How do you use them to simplify expressions?

5.1 Exponential Functions

- What does an exponential function look like? What does its graph look like?
- What is a horizontal asymptote? How does this apply to the graph of an exponential function?
- How do you know if an exponential function represents growth or decay?
- What is the number
*e*?

*Homework:* Page 312 #1-15 odd; Pages 323-326 #1, 3, 35, 37, 39, 43, 51

**Class 21: 3/23/17**

5.2 Logarithmic Functions; Properties of Logarithms

- What is a logarithmic function? How is it related to an exponential function?
- What does the graph of a logarithmic function look like?
- How do you evaluate logarithms?
- What are the two special types of logarithms?
- What are the properties of logarithms?

*Homework:* Pages 340-343 #1-11 odd, 15, 35, 37, 39, 69

**Class 22: 4/4/17**

5.3 Exponential and Logarithmic Equations

- What is the basic strategy for solving an exponential equation?
- What is the Change of Base formula?
- What is the basic strategy for solving a logarithmic equation?

*Homework:* Page 353-356 #7, 9, 11, 17, 19, 25-31 odd, 41, 47, 67

**Class 23: 4/6/17**

5.7 Logistic and Gompertz Functions

- What does a logistic function look like? What does its graph look like?
- How do you find the limiting value of a logistic function?
- How do you model data using a logistic function?
- What does a Gompertz function look like?

*Homework:* Pages 403-407 #1, 3, 5, 9, 13, 15, 29

**Class 24: 4/11/17**

5.4 Exponential and Logarithmic Models

- How do you model data using an exponential or logarithmic function?

*Homework:* Page 370-372 #21, 29

**Class 25: 4/13/17**

*PROJECT DUE*

5.5 Exponential Functions and Investing

- How do you find the future value of an investment with periodic compounding?
- How do you find the future value of an investment with continuous compounding?
- How do you find the effective annual yield for an investment?

*Homework:* P. 384-386 #15, 19, 21, 25, 27, 33, 37, 41

**Class 26: 4/18/17**

Review for Test 3

**Class 27: 4/20/17**

*HOMEWORK 4 DUE*

TEST 3

**Class 28: 4/25/17**

Review for Final Exam