If $x$ is real, the expression $\frac{{x + 2}}{{2{x^2} + 3x + 6}}$ takes all value in the interval

  • [IIT 1969]
  • A

    $\left( {\frac{1}{{13}},\frac{1}{3}} \right)$

  • B

    $\left[ { - \frac{1}{{13}},\frac{1}{3}} \right]$

  • C

    $\left( { - \frac{1}{3},\frac{1}{{13}}} \right)$

  • D

    None of these

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