Answer
$0$
Work Step by Step
We find the left-hand limit as follows:
$\lim\limits_{x \to 2^{-}} f(x)=\lim\limits_{x \to 2^{-}} (4-2x) \\=\lim\limits_{x \to 2^{-}} (4) -\lim\limits_{x \to 2^{-}} (2x) \\=4-(2)(2) \\=0$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
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 13.3 One-sided Limits; Continuous Functions - 13.3 Assess Your Understanding - Page 909: 34
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