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Polynomial Inequalities and Sign Analysis
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ACCUPLACER
AAF.127 Polynomial Inequalities and Sign Analysis
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Which solution set is consistent with the signs of the factors in P(x) = 2(x + 6)(2x + 7)(x)
2
(3x - 2)
2
(x - 4) with P(x) < 0?
A
(-infinity, -6) U (-7/2, 0) U (0, 2/3) U (2/3, 4)
B
(-infinity, -6] U [-7/2, 4]
C
(-infinity, -6) U (-7/2, 0) U (2/3, 4)
D
(-6, -7/2) U (4, infinity)
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