Answer
See below.
Work Step by Step
$g(g(x))=g(2x^2)=2((2x^2)^2)=2(4x^4)=8x^4$
There is no number for which this function is undefined, thus the domain is the set of real numbers.
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 6 Rational Exponents and Radical Functions - 6.4 Use Inverse Functions - 6.4 Exercises - Quiz for Lessons 6.3-6.4 - Page 445: 8
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