Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 6 - Section 6.1 - Rational Expressions and Functions; Multiplying and Dividing - Exercise Set - Page 416: 121

Answer

See below.

Work Step by Step

The graph of a polynomial function is a smooth curve without breaks (it is continuous). The graph of a rational function has breaks, where the function is undefined. Thus the domain of a polynomial function is the set of all real numbers, but for a rational function there are numbers for which the function is undefined.
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