Answer
D: {$x| x \ne -4$}
Work Step by Step
Set the denominator not equal to 0 (since a denominator is not allowed to be zero).
$x+4\ne0$
$x\ne-4$
Thus, the domain is
D: {$x| x \ne -4$}
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 - 2.1 Functions - 2.1 Assess Your Understanding - Page 56: 3
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