Answer
All real numbers except $-5$.
Work Step by Step
The denominator cannot be $0$, hence if $x+5\ne0$, then $x\ne-5$.
Hence the domain is all real numbers except $-5$
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 4 - Polynomial and Rational Functions - 4.1 Polynomial Functions and Models - 4.1 Assess Your Understanding - Page 188: 135
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