Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 2 - Functions - 2.1 Input and Output - Exercises and Problems for Section 2.1 - Exercises and Problems - Page 75: 8



Work Step by Step

Plug in $r=x$ into $p(r)$: $p(x)=x^2+5$ Plug in $r=8$ into $p(8)$: $p(x)=8^2+5=64+5=69$ Then $p(r)+p(8)=x^2+5+69=x^2+74$.
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