Given that f(x)=3x−7f(x) = 3x - 7f(x)=3x−7 and g(x)=2x+3g(x) = 2x + 3g(x)=2x+3
Find gf(4)gf(4)gf(4)
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.