Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 2 - Section 2.1 - Introduction to Functions - Exercise Set - Page 112: 30



Work Step by Step

$f(-x)-f(x)=[(-x)^{2}-3(-x)+7]-[x^{2}-3x+7]$ $=[x^{2}+3x+7]-x^{2}+3x-7]$ $=6x$
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