Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 13 - A Preview of Calculus: The Limit, Derivative, and Integral of a Function - Section 13.1 Finding Limits Using Tables and Graphs - 13.1 Assess Your Understanding - Page 896: 28

Answer

$6$

Work Step by Step

As we can see from the attached graph (please refer to the green curve), as $x$ gets closer and closer to $4$ from the left and the right, the value of the function (the $y$-value) gets closer and closer to $6$. Thus, the limit is $6$.
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