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2 marksFunctions

CAPE Pure Mathematics Unit 1 · May/June 2018 · Paper 2 · Question 2(a)(i)

The diagram below shows the graph of the function f(x).

On the diagram above, sketch the inverse of f(x).

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Other parts of this question

  1. 2(a)(ii)Use a graphical method to show that f is bijective.[3 marks]
  2. 2(b)(i)Prove that |x - y| ≤ |x - z| + |z - y| for all x, y, z ∈ R.[4 marks]
  3. 2(b)(ii)Solve the inequality |6x - 2| + x² ≤ 5.[8 marks]
  4. 2(c)Determine the equation whose roots are 1/(αβ), 1/(αγ) and 1/(βγ).[8 marks]

More practice: the rest of this paper · more Functions questions · all CAPE Pure Mathematics Unit 1 past papers