Answer
$$x\ne -1,1$$
Work Step by Step
As we are given that $f(x)=1,x\gt 1$ and $f(1)=0$
Also, $f(x)=-1$ ; $-1\lt x \lt 1$
For $f(-1)=0$
For $f(x)=1, x\lt 1$
Hence,$$x\ne -1,1$$
Calculus 8th Edition
by Stewart, James
Published by
Cengage
ISBN 10:
1285740629
ISBN 13:
978-1-28574-062-1
Chapter 11 - Infinite Sequences and Series - Problems Plus - Problems - Page 827: 2
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.
