Answer
$x\geq-8$.
Work Step by Step
We know that the square root function is undefined for negative numbers.
Hence $x+8\geq0\\x\geq-8$
Thus the domain is all real numbers except $x\geq-8$.
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 2 - Functions and Their Graphs - Chapter Review - Review Exercises - Page 114: 11
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