At the point \[x=1\], the given function \[f(x)=\left\{ \begin{align}

1.	At the point \[x=1\], the given function \[f(x)=\left\{ \begin{align} & {{x}^{3}}-1;\,\,1
A.	Continuous and differentiable
B.	Continuous and not differentiable
C.	Discontinuous and differentiable
D.	Discontinuous and not differentiable
Answer» C. Discontinuous and differentiable

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At the point \[x=1\], the given function \[f(x)=\left\{ \begin{align} & {{x}^{3}}-1;\,\,1

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