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Let h (x) = min (x, x^2), x in R, then ...

Let `h (x) = min (x, x^2), x in R`, then `h (x)` is

A

`h(x)` is discontinuos at `x=-1`

B

`h(x)` is non differentiable at `x=-1`

C

`h'(x)=1 AA x epsilon(1,oo)`

D

`h(x)` is non differentiable at three values of `x`

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