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If f(x) =x^(3)+bx^(2)+cx+d and 0lt b^(2)...

If `f(x) =x^(3)+bx^(2)+cx+d` and `0lt b^(2)ltc` then `in (-oo,oo)`

A

is strictly increasing

B

has a local maxima

C

has a local minima

D

has bounded area

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A
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