Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 4 - Polynomial and Rational Functions - 4.2 Properties of Rational Functions - 4.2 Assess Your Understanding - Page 197: 17


All real numbers except $-4$ and $2$.

Work Step by Step

The denominator of a rational cannot be $0$. Note that when $x=2$ or $x=-4$, the denominator of the given function will be equal to zero. Therefore, the domain of the given function is the set of all real numbers except $-4$ and $2$.
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