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

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

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