MCQ
If $f(x) = \left\{ \begin{array}{l}x - 1,\,\,\,x < 0\\\,\,\,\,\,\,\frac{1}{4},\,\,x = 0\\\,\,\,\,\,\,\,{x^2},\,\,x > 0\end{array} \right.$, then
  • A
    $\mathop {\lim }\limits_{x \to 0 + } f(x) = 1$
  • B
    $\mathop {\lim }\limits_{x \to 0 - } f(x) = 1$
  • C
    $f(x)$ is discontinuous at $x = 0$
  • D
    None of these

Answer

Clearly from curve drawn of the given function $f(x)$ is discontinuous at $x = 0.$

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