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Let f:(-1,1)vecR be a differentiable fun...

Let `f:(-1,1)vecR` be a differentiable function with `f(0)=-1` and `f^(prime)(0)=1.` Let `g(x)=[f(2f(x)+2)]^2dot` Then `g^(prime)(0)dot` `-4` (b) 0 (c) `-2` (d) 4

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