Answer
$(-\infty, \infty)$
Work Step by Step
Functions of the form $f(x)=ax+b$ is a linear function whose domain is the set of all real numbers. Hence, the domain is
\begin{array}{l}\require{cancel}
(-\infty, \infty)
.\end{array}
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter 4 - Section 4.6 - Applications and Models of Exponential Growth and Decay - Summary Exercises on Functions: Domains and Defining Equations - Page 463: 1
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