Answer
domain: $(-\infty, -2)$
Work Step by Step
$f(x)=\frac{-x}{\sqrt {-x-2}}$
$-x-2\gt0$
$-x\gt2$
$x\lt-2$
Therefore, the domain of a function is $x\lt-2$ or $(-\infty, -2)$
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 57: 64
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