Given that f(x)=x2−4f(x) = x^2 - 4f(x)=x2−4 for x≥0 x \ge 0\,x≥0 find:
f(10)f(10)f(10)
f(1)f(1)f(1)
Solve: f−1(x)=8f^{-1}(x) = 8f−1(x)=8
136 exam-style questions on OCR GCSE Maths Inverse and Composite Functions. Each one has a worked solution and a mark scheme showing where the marks go.