Given that g(x)=3x2−27g(x) = 3x^{2} - 27g(x)=3x2−27 find:
g(1)g(1)g(1)
g(−1)g(-1)g(−1)
Solve: g(x)=48g(x) = 48g(x)=48
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.