AQA Paper 1 2019 June — Question 6

Exam BoardAQA
ModulePaper 1 (Paper 1)
Year2019
SessionJune
TopicComposite & Inverse Functions

6 The function f is defined by $$\mathrm { f } ( x ) = \frac { 1 } { 2 } \left( x ^ { 2 } + 1 \right) , x \geq 0$$ 6
  1. Find the range of f . 6
    1. Find \(\mathrm { f } ^ { - 1 } ( x )\)
      6
  2. (ii) State the range of \(\mathrm { f } ^ { - 1 } ( x )\)
    6
  3. State the transformation which maps the graph of \(y = \mathrm { f } ( x )\) onto the graph of \(y = \mathrm { f } ^ { - 1 } ( x )\) 6
  4. Find the coordinates of the point of intersection of the graphs of \(y = \mathrm { f } ( x )\) and \(y = \mathrm { f } ^ { - 1 } ( x )\)