Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 4 - Section 4.3 - Polynomial Functions, Graphs, and Composition - 4.3 Exercises: 35

Answer

0

Work Step by Step

We are given that $f(x)=x^{2}-9$, $g(x)=2x$, and $h(x)=x-3$. We are asked to find the value of $(g-h)(-3)$. We know that $(g-h)(x)=g(x)-h(x)$. Therefore, $(g-h)(-3)=(2(-3))-(-3-3)=(-6)-(-6)=-6+6=0$.
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