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.

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