Answer
0, -4
Work Step by Step
Because it is an absolute value, we set the expression within the absolute value bars equal to 2 and -2:
$$ r+2 =2 \\ r=0 $$
$$ r+2 = -2 \\ r =-4$$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 4 - An Introduction to Functions - Get Ready! - Page 231: 16
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