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: 38

Answer

-2

Work Step by Step

From the graph we see that $f(4)=2$ and $f(2)=-2$, so: $(f\circ f)(4)=f(f(4))=f(2)=-2$
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