#### Answer

Interval: $(-\infty,\ -2]\ \cup\ [2,\ \infty)$

#### Work Step by Step

$\displaystyle \frac{1}{2}|x|\geq 1$
$|x|\geq 2$
We split this into the positive and negative:
$x\geq 2$ or $x\leq-2$
Interval: $(-\infty,\ -2]\ \cup\ [2,\ \infty)$

Published by
Brooks Cole

ISBN 10:
1305115546

ISBN 13:
978-1-30511-554-5

Interval: $(-\infty,\ -2]\ \cup\ [2,\ \infty)$

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