Answer
$-12$
Work Step by Step
Use the limit property for a monomial: $ \lim\limits_{x \to c} f(x)= f(c) $, where $c$ is a constant.
$\lim\limits_{x \to 4} (-3x)=(-3) \lim\limits_{x \to 4} x \\=(-3)(4) \\=-12$
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 13.2 Algebra Techniques for Finding Limits - 13.2 Assess Your Understanding - Page 903: 12
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