Answer
limit does not exist
Work Step by Step
Here, the function results into -1 for negative values of x and for positive values of x, it will have $1$.
Thus, there will not be a single value. Hence, the limit does not exist.
Thomas' Calculus 13th Edition
by Thomas Jr., George B.
Published by
Pearson
ISBN 10:
0-32187-896-5
ISBN 13:
978-0-32187-896-0
Chapter 2: Limits and Continuity - Section 2.2 - Limit of a Function and Limit Laws - Exercises 2.2 - Page 56: 5
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