Answer
See below
Work Step by Step
Given $f(x)=x^2+2\\g(x)=x-4$
Obtain $f(f(x))=f(x^2+2)=(x^2+2)^2+2=x^4+4x^2+6$
The domain is all 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 10 Counting Methods and Probability - 10.5 Find Probabilities of Independent and Dependent Events - 10.5 - Mixed Review - Page 723: 55
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