If $f(x) = \begin{cases} 1 + x^2, & \text{when } 0 \le x \le 1 \\ 1 - x, & \text{when } x > 1 \end{cases}$,then

  • A
    $\lim_{x \to 1^+} f(x) \ne 0$
  • B
    $\lim_{x \to 1^-} f(x) \ne 2$
  • C
    $f(x)$ is discontinuous at $x = 1$
  • D
    None of these

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