Answer
$4$
Work Step by Step
We find the right-hand limit as follows:
$\lim\limits_{x \to -2^{+}} f(x)=\lim\limits_{x \to -2^{+}} (3x^2-8) \\=\lim\limits_{x \to -2^{+}} (3x^2) - \lim\limits_{x \to -2^{+}} (8) \\=(3)(-2)^2 - (8) \\=4$
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: 36
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