The solution of the quadratic inequality (x 3 + x - 12) ≥ 0 is
MATHEMATICS
JAMB 2007
The solution of the quadratic inequality (x3 + x - 12) ≥ 0 is
- A. x ≥ -3 or x ≤ 4
- B. x ≥ 3 or x ≥ -4
- C. x ≤ 3 or x v -4
- D. x ≥ 3 or x ≤ -4
Correct Answer: B. x ≥ 3 or x ≥ -4
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