Answer
$x+1$ or $-x-1$
Work Step by Step
Start with given expression: $|x+1|$
Since $x+1$ could be positive or negative, the absolute value is both the positive and negative version of it:
$|x+1|=x+1 $ or $|x+1|=-(x+1)=-x-1$
Calculus 8th Edition
by Stewart, James
Published by
Cengage
ISBN 10:
1285740629
ISBN 13:
978-1-28574-062-1
Appendix A - Numbers, Inequalities, and Absolute Values - A Exercises - Page A9: 9
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