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Let f(x)=|x^2-3x-4|,-1lt=xlt=4 Then f(x)...

Let `f(x)=|x^2-3x-4|,-1lt=xlt=4` Then `f(x)` is monotonically increasing in `[-1,3/2]` `f(x)` monotonically decreasing in `(3/2,4)` the maximum value of `f(x)i s(25)/4` the minimum value of `f(x)` is `0`

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  • If f(x)=x^3+4x^2+ax+5 is a monotonically decreasing function of x in the largest possible interval (-2,-2//3), then the value of a is

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    B
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