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## 3 Polynomial and Rational Functions

### Chapter Contents

**3.1** Polynomial Functions

**3.2** Division of Polynomial Functions

**3.3** Zeros and Factors of Polynomial Functions

**3.4** Real Zeros of Polynomial Functions

**3.5** Rational Functions

**3.6** Partial Fractions

**3.7** The Area Problem

Chapter 3 Review Exercises

### 3.1 **Polynomial Functions**

**INTRODUCTION** In Chapter 2 we graphed functions such as *y* = 3, *y* = 2*x* − 1, *y* = 5*x*^{2} − 2*x* + 4, and *y* = *x*^{3}. These functions, in which the variable *x* is raised to a *nonnegative ...*