A function is defined by \(f(x) = \frac{3x + 1}{x^{2} - 1}, x \neq \pm 1\). Find f(-3).

  • A \(-1\frac{1}{4}\)
  • B \(-1\)
  • C \(\frac{4}{5}\)
  • D \(1\)
waec 2011furthermathematics

The correct answer is B. \(-1\)

\(f(x) = \frac{3x + 1}{x^{2} - 1}\)

\(f(-3) = \frac{3(-3) + 1}{(-3)^{2} - 1} = \frac{-8}{8} = -1\)

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