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 - 7.4 The Algebra of Functions - 7.4 Exercise Set: 28

Answer

$-x^2-x+7$

Work Step by Step

RECALL: $(G-F)(x) = G(x)-F(x)$ Using the formula above gives: $(G-F)(x) \\= G(x)-F(x) \\=(5-x)-(x^2-2) \\=5-x-x^2-(-2) \\=5-x-x^2+2 \\=-x^2-x+7$
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