Let $f(x) = \begin{cases} e^{x-1}; x < 0 \\ x^2-5x+6; x \ge 0 \end{cases}$ and $g(x) = f(|x|) + |f(x)|$. If the number of points where $g$ is not continuous and is not differentiable are $\alpha$ and $\beta$ respectively,then $\alpha + \beta$ is equal to ————

  • A
    $1$
  • B
    $2$
  • C
    $3$
  • D
    $4$

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