Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 7 - Functions and Graphs - Review Exercises: Chapter 7 - Page 495: 13



Work Step by Step

Substitute $2a$ for $x$ in the expression defining $f$: $f(2a)=(2a)^{2}+2(2a)-3$ $=2^{2}a^{2}+4a-3$ $=4a^{2}+4a-3$
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