question_answer

The set of points of discontinuity of the function \[\mathbf{f}\left( \mathbf{x} \right)=\mathbf{log}\left( \mathbf{x} \right)\]is

A)  \[\left\{ 0 \right\}\]                                 

B)  \[\left\{ 1,-1 \right\}\]

C)  \[\left\{ -\infty ,\infty  \right\}\]                  

D)    None of these