Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 11 - Section 11.1 - Finding Limits Using Tables and Graphs - Exercise Set - Page 1141: 91


This makes sense.

Work Step by Step

Please note that in the definition of the limit $\lim_{x \to a}f(x)$, the function $f$ does not need to be defined at $x=a$. In the given case, the function is not defined at $3$, but is defined around this point.
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