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: 64

Answer

9

Work Step by Step

We are asked to find $(f∘g)(7)$. We know that $(f∘g)(x)=f(g(x))$. Therefore, $(f∘g)(2)=f(g(7))$. From the second table, we see that $g(7)=6$. From the first table, we see that $f(6)=9$. Therefore, $f(g(7))=f(6)=9$.
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