Mathematics
mike2
2015-11-09 02:29:45
3|x-1| >= 12 A. X>= -3 or x<= 5 B.X<= -3 or x>= 5 C. X>= 5 D. X<= -3 or x>=5
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MonroeScutt
2015-11-09 06:06:35

3|x-1| ≥ 12 |x-1| ≥ 4. Remove the absolute signs: x - 1 ≥ 4 → x≥ 5 and x-1 ≤ -4 → x≤ - 3 Then D. x ≤ -3 or x ≥ 5

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