If $\sec \theta = x + \frac{1}{4x}$ where $0^{\circ} < \theta < 90^{\circ}$,then $\sec \theta + \tan \theta$ is equal to:

  • A
    $x/2$
  • B
    $2x$
  • C
    $x$
  • D
    $1/(2x)$

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