The function $f(x) = \frac{x - 2}{x + 1}, (x \neq -1)$ is increasing on the interval:

  • A
    $( - \infty , -1) \cup (-1, \infty)$
  • B
    $( - \infty , \infty)$
  • C
    $R$
  • D
    None of these

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