College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 2, Functions - Section 2.7 - Combining Functions - 2.7 Exercises: 41

Answer

3

Work Step by Step

From the table, we see that: $f(1)=2$ and $f(2)=3$, so we have: $f(f(1))=f(2)=3$
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