Mathematics
Natalie1913
2017-08-17 12:54:45
An inequality is shown below. |3x+9|≥36 Which values of x makes the expression true. a) x≤−15 or x≥9 b) x≥−15 or x≤9 c) x≥−9 or x≤15 d) x≤−9 or x≥15
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missy17
2017-08-17 18:18:00

You need to break this up into 3x+9≥27 to get x≥9 and 3x+9≤-36 to get x≤-15. The correct answer would be a

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