$f(x) = \log \left( \left( \frac{2x^2 - 3}{x} \right) + \sqrt{\frac{4x^4 - 11x^2 + 9}{|x|}} \right)$ is

  • A
    an odd function
  • B
    an even function
  • C
    a polynomial function
  • D
    not a function

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