1.

If factors of polynomial 5x3 + 4x2 - 60x + k = 0 is 2 < x < 5, then which of the option is true.

A. -144 < k < 9
B. -5 < k < 5
C. -3 < k < 7
D. -5 < k < 6
Answer» B. -5 < k < 5


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