Answer
False.
Work Step by Step
False. For example, the domain of $f(x)=\frac{1}{x-1}$ may not be specified, yet $x=1$ should be excluded from the domain.
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 1 - Functions and Their Graphs - Section 1.1 Functions - 1.1 Assess Your Understanding - Page 53: 13
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