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3 marksDeriving Inverse Functions

CSEC Mathematics · May/June 2013 · Paper 2 · Question 5(b)(ii)

Given that f(x) = (2x + 1)/3 and g(x) = 4x + 5.

Determine the value of f⁻¹(3).

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Other parts of this question

  1. 5(a)(i)Express A in terms of R and a constant k.[1 mark]
  2. 5(a)(ii)Calculate the value of the constant k.[2 marks]
  3. 5(a)(iii)Copy and complete the table.[2 marks]
  4. 5(b)(i)Determine the value of fg(2).[3 marks]

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