Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 14 - A Preview of Calculus: The Limit, Derivative, and Integral of a Function - 14.1 Finding Limits Using Tables and Graphs - 14.1 Assess Your Understanding - Page 877: 23

Answer

$13$.

Work Step by Step

As we can see on the graph as $x$ is getting closer and closer to $4$ from both sides, the function values are getting closer and closer to $13$. Thus the limit is $13$.
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