Answer
The domain of $f(x)$ is $D:(-\infty,\infty)$.
Work Step by Step
$f(x)=1.6x-2.4$ has no restrictions on its domain because the function $f(x)$ has no discontinuities or asymptotes.
Calculus: Early Transcendentals 8th Edition
by Stewart, James
Published by
Cengage Learning
ISBN 10:
1285741552
ISBN 13:
978-1-28574-155-0
Chapter 1 - Section 1.1 - Four Ways to Represent a Function - 1.1 Exercises - Page 21: 39
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