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

Further Mathematics
WAEC 2011

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. \(1\)
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Correct Answer: Option B
Explanation

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

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


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Project Topics and Materials, Post-UTME past questions - Download now or upload yours to get paid
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
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