Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 1 - Section 1.7 - Combinations of Functions; Composite Functions - Exercise Set - Page 258: 51

Answer

a. $2x+14$ b. $2x+7$ c. $18$ d. $11$

Work Step by Step

Given $f(x)=2x$ and $g(x)=x+7$, we have: a. $(f\circ g)(x)=2(x+7)=2x+14$ b. $(g\circ f)(x)=2x+7$ c. $(f\circ g)(2)=2(2)+14=18$ d. $(g\circ f)(2)=2(2)+7=11$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.