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, $f(g(7))=f(6)=9$.
Intermediate Algebra (12th Edition)
by Lial, Margaret L.; Hornsby, John; McGinnis, Terry
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 - Page 296: 64
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