Given that g(x)=2x2−18g(x) = 2x^{2} - 18g(x)=2x2−18 find:
g(1)g(1)g(1)
g(−1)g(-1)g(−1)
Solve: g(x)=14g(x) = 14g(x)=14
136 exam-style questions on Edexcel GCSE Maths Inverse and Composite Functions. Each one has a worked solution and a mark scheme showing where the marks go.