1.

Let f : (-1, 1) to R be a differentiable function with f(0) = -1 and f'(0) = 1 . Let g(x) = [f(2f(x)+ 2)]^2 . Then g'(0) is equal to

Answer»

`-2`
`4`
`-4`
`0`

ANSWER :B


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