Calculus: Early Transcendentals (2nd Edition)

Published by Pearson
ISBN 10: 0321947347
ISBN 13: 978-0-32194-734-5

Chapter 1 - Functions - 1.1 Review of Functions - 1.1 Exercises: 41

Answer

$|x^2-4|$ The domain is: $\mathbb{R}$

Work Step by Step

We know that $f(x)=|x|$ and $g(x)=x^2-4$, so: $f \circ g=f(g(x))=f(x^2-4)=|x^2-4|$ The domain is: $\mathbb{R}$
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