Answer
$7$
Work Step by Step
Given $\lim\limits_{x \to 4}\frac{f(x)-5}{x-2}=1$, we have $\frac{\lim\limits_{x \to 4}f(x)-5}{4-2}=1$ thus $\lim\limits_{x \to 4}f(x)=(4-2)+5=7$
Thomas' Calculus 13th Edition
by Thomas Jr., George B.
Published by
Pearson
ISBN 10:
0-32187-896-5
ISBN 13:
978-0-32187-896-0
Chapter 2: Limits and Continuity - Section 2.2 - Limit of a Function and Limit Laws - Exercises 2.2 - Page 58: 77
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