Answer
See below.
Work Step by Step
The values that have to be excluded are $x$, for which $g(x)$ is undefined and $x$ for which $f(g(x))$ is undefined.
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 2 - Functions and Graphs - Exercise Set 2.6 - Page 299: 107
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