College Algebra, 4th Edition

Section 4.1 Exponential Functions

Before Starting this Section, Review

1. 1 Integer exponents (Section P.2 , page 20)

2. 2 Rational exponents (Section P.6 , page 61)

3. 3 Graphing and transformations (Section 2.7 , page 263)

4. 4 One-to-one functions (Section 2.9 , page 294)

5. 5 Increasing and decreasing functions (Section 2.5 , page 235)

Objectives

1. 1 Define an exponential function.

2. 2 Graph exponential functions.

3. 3 Develop formulas for simple and compound interest.

4. 4 Understand the number e.

5. 5 Define the natural exponential function.

6. 6 Model using exponential functions.

Fooling a King

One night in northwest India, a wise man named Shashi invented a new ...