Question: For the function f given below : a) Is f continuous at the point 0? b) is f differentiable at the point 0? Prove your

For the function f given below :

a) Is f continuous at the point 0?

b) is f differentiable at the point 0?

Prove your answers to both a) and b).

Let f be the function defined by

()=21/x0(0)=0.

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