## 3 Polynomial and Rational Functions

**Chapter Outline**

**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** Approximating Real Zeros

**3.6** Rational Functions

**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 integer power*, are examples of a more general type ...