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 - Review Exercises and Problems for Chapter Two - Page 109: 11


(a)$f(1)=2$, $f(-1)=0$, $-f(1)=-2$ (b) $x=-1$

Work Step by Step

(a) At $x=1$, $f(x)=2$. So, $f(1)=2$. At $x=-1$, $f(x)=0$. So, $f(-1)=0$. Since $f(1)=2$, $-f(1)=-2$. (b) $f(-1)=0$. Therefore, the solution must be $x=-1$.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.