The values of $p$ and $q$ for which the function $f(x) = \begin{cases} \frac{\sin(p+1)x + \sin x}{x} & x < 0 \\ q & x = 0 \\ \frac{\sqrt{x+x^2} - \sqrt{x}}{x^{3/2}} & x > 0 \end{cases}$ is continuous for $\forall x \in R$ are

  • A
    $(-3/2, 1/2)$
  • B
    $(1/2, 3/2)$
  • C
    $(1/2, -3/2)$
  • D
    $(5/2, 1/2)$

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