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OpenStudy (anonymous):
What is the solution set of |x| < 15?
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jimthompson5910 (jim_thompson5910):
Hint: Use the idea that if |x| < k for some positive number k, then x < k or x > -k
jimthompson5910 (jim_thompson5910):
You can then combine the two to get -k < x < k
OpenStudy (anonymous):
ok
jimthompson5910 (jim_thompson5910):
so what does that mean for this problem?
jimthompson5910 (jim_thompson5910):
If |x| < 15, then...?
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