If $x$ is real , the maximum value of $\frac{{3{x^2} + 9x + 17}}{{3{x^2} + 9x + 7}}$ is 

  • [AIEEE 2006]
  • A

    $\frac{1}{4}$

  • B

    $1$

  • C

    $41$

  • D

    $\frac{{17}}{7}$

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