Let f be differentiable for all x. If f...

Let f be differentiable for all x. If `f(1)= -2, f'(x) ge 2` for all `x in [1, 6]`, then :

A

`f(6) lt 8`

B

`f(6) ge 8`

C

`f(6) =5`

D

`f(6)=5`

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The correct Answer is:

B

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