Solve. Graph the solution on a number line, and express it in interval notation.5x < 20
or
x + 4 ? 14
A. x > 4, (4, ?)
B. x < 4 or x ? 10, (-?, 4) ? [10, ?)
C. x ? 10, (-?, 10]
D. x ? -10 or x > 4, (-?, -10] ? (4, ?)
Answer: B
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