1.

For the inequation x2 - 7x + 12 > 0, which one of the following is correct?

A. 3 < x < 4
B. - ∞ < x < 3 only
C. 4 < x < ∞ only
D. -∞ < x < 3 or 4 < x < ∞
Answer» E.


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