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05-09-2016
Mathematics

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TRUE OR FALSE: F(x)=-3(x+2)(x-5)^3>0 when x<-2 or x>5
PLEASE HELP!!!!

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05-09-2016

F(x) = -3(x + 2)(x - 5)^3 > 0
(x + 2)(x - 5) > 0
x + 2 > 0 or x - 5 < 0
x > -2 or x < 5
-2 < x < 5

Therefore, the stated interval is false.

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