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: 33

Answer

-33

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 $(g+h)(-10)$. We know that $(g+h)(x)=g(x)+h(x)$. Therefore, $(g+h)(-10)=(2(-10))+(-10-3)=(-20)+(-13)=-20-13=-33$.
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