CAIE P1 2021 June — Question 5

Exam BoardCAIE
ModuleP1 (Pure Mathematics 1)
Year2021
SessionJune
TopicComposite & Inverse Functions
5 The function f is defined by \(\mathrm { f } ( x ) = 2 x ^ { 2 } + 3\) for \(x \geqslant 0\).
  1. Find and simplify an expression for \(\mathrm { ff } ( x )\).
  2. Solve the equation \(\mathrm { ff } ( x ) = 34 x ^ { 2 } + 19\).
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