Answer
$(g-f)(x)= x^2+2x-8$
Work Step by Step
RECALL:
$(g-f)(x) = g(x) - f(x)$
Using the formula above gives:
$(g-f)(x) = (x^2-5)-(-2x+3)
\\(g-f)(x)= x^2-5-(-2x)-3
\\(g-f)(x)= x^2-5+2x-3
\\(g-f)(x)= x^2+2x-8$
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
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 - Page 476: 19
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