Solve. Graph the solution on a number line, and express it in interval notation.4x - 12 < -2.8
or
4x - 12 > 2.8 
A. x ? -3.7 or x > 3.7, (-?, -3.7] ? (3.7, ?)
B. (-?, 2.3)
C. 2.3 < x < 3.7, (2.3, 3.7)
D. x < 2.3 or x > 3.7, (-?, 2.3) ? (3.7, ?)
Answer: D
Mathematics
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