Answer
See below
Work Step by Step
$f(f(x))=f(5x^{2/3})=5(5x^{2/3})^{2/3})=5\times5^{2/3}\times(x^{2/3})^{2/3}=5^{5/3}x^{4/9}$
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 - 6.5 Graph Square Root and Cube Root Functions - 6.5 Exercises - Mixed Review - Page 451: 57
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