Answer
$\displaystyle\{x|x\neq-10\}$
Work Step by Step
We know that $\displaystyle \frac{x+5}{x+10}$ is undefined if the denominator is 0, so:
$x+10=0$
$x=-10$
Thus the domain is $\{x|x\neq-10\}$
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter P, Prerequisites - Chapter P Review - Exercises - Page 77: 93
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