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If f(x) = {{:(3x^(2)+12x -1",",-1 le x l...

If `f(x) = {{:(3x^(2)+12x -1",",-1 le x le 2),(37 - x",",2 lt x le 3):}`, then

A

f(x) is increasing on [-1,2]

B

f(x) is continuos on [-1,3]

C

f'(x) does not exist at x=2

D

f(x) has the maximum value at x=2

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ARIHANT MATHS-MONOTONICITY MAXIMA AND MINIMA-Exercise (Questions Asked In Previous 13 Years Exam)
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  21. Consider the function f:(-oo, oo) -> (-oo ,oo) defined by f(x) =(x^2...

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