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

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

Chapter 4 - Exponential Functions - Exercises to Skills for Chapter 4 - Page 185: 15



Work Step by Step

Note that $-a$ for any value $a$ is the same as $-1 \cdot a$ (There are no parentheses around the $11$). In this example, $-11^2=-1\cdot 11^2=-1(11)(11)=-121$.
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