Answer
$[0,3]$
Work Step by Step
Since the distance of $3$ miles satisfies the segments $x$ and $3-x$, we consider
$3-x \geq 0 $ and $ x \geq 0$
$\implies x \leq 3$ and $ x\geq 0$
So, the domain for $x$ is: $[0,3]$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 2 - P.S. Problem Solving - Page 240: 10b
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