Answer
There is a discontinuity at $x=0.$
.
Work Step by Step
The domain of $h$ is all real numbers.
At $x=0$, the left limit is $-1$, and the right limit is $+1$, so the limit doesn't exist there.
There is a discontinuity at $x=0.$
Finite Math and Applied Calculus (6th Edition)
by Waner, Stefan; Costenoble, Steven
Published by
Brooks Cole
ISBN 10:
1133607705
ISBN 13:
978-1-13360-770-0
Chapter 10 - Section 10.2 - Limits and Continuity - Exercises - Page 707: 31
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