#### 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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Published by
Pearson

ISBN 10:
0-32197-907-9

ISBN 13:
978-0-32197-907-0

$13$.

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