Edexcel Paper 2 2018 June — Question 1

Exam BoardEdexcel
ModulePaper 2 (Paper 2)
Year2018
SessionJune
TopicComposite & Inverse Functions
1. $$\operatorname { g } ( x ) = \frac { 2 x + 5 } { x - 3 } \quad x \geqslant 5$$
  1. Find \(\mathrm { gg } ( 5 )\).
  2. State the range of g.
  3. Find \(\mathrm { g } ^ { - 1 } ( x )\), stating its domain.
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