Answer
The function at the point $ a $ shows a ‘jump’ in the graph, if it is defined at that point $ a $, but $\ \underset{x\to a}{\mathop{\lim }}\,f\left( x \right)$ does not exist.
Work Step by Step
See below:
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 11 - Section 11.3 - Limits and Continuity - Exercise Set - Page 1162: 48
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