The function f f\,f is such that f(x)=3x−2f(x) = 3x - 2f(x)=3x−2
Find f(5)f(5)f(5)
The function g g\,g is such that g(x)=2x2−20x+9g(x) = 2x^2 - 20x + 9g(x)=2x2−20x+9 where x≥5 x \geq 5\,x≥5
Express the inverse function g−1g^{-1}g−1 in the form g−1(x)=…g^{-1}(x) = \dotsg−1(x)=…
Practise CIE IGCSE Maths Inverse and Composite Functions with exam-style questions for Core and Extended tier. 4 questions, matched to the CIE IGCSE Maths (0580) specification and written in Paper 1 and Paper 3 (Core) or Paper 2 and Paper 4 (Extended) style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.