Answer
5
Work Step by Step
The easiest way to solve distance between two points on a straight line is to subtract the smaller value from the the larger one. In this case, subtract $(-2)$ from $3$. $3-(-2)$ is the same as $3+2$ which is $5$.
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 1 - Section 1.1 - Real Numbers - 1.1 Exercises - Page 11: 73
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