Given that g(x)=x2−1g(x) = x^{2} - 1g(x)=x2−1 find:
g(2)g(2)g(2)
g(−2)g(-2)g(−2)
Solve: g(x)=8g(x) = 8g(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.