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: 66

Answer

3

Work Step by Step

We are asked to find $(g∘f)(8)$. We know that $(g∘f)(x)=g(f(x))$. Therefore, $(g∘f)(8)=g(f(8))$. From the first table, we see that $f(8)=2$. From the second table, we see that $g(2)=3$. Therefore, $g(f(8))=g(2)=3$.
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