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

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

A

f(x) os decreasing on [-1,2]

B

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

C

f'(2) = 24

D

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

Text Solution

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The correct Answer is:
B
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