The complete set of values of $x$ for which the function $f(x) = 2 \log_e(x-2) - x^2 + 4x + 1$ is increasing is:

  • A
    $(1, 2)$
  • B
    $(2, 3)$
  • C
    $(5/2, 3)$
  • D
    $(2, 4)$

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