Given that f(x)=2x+4f(x) = 2x + 4f(x)=2x+4 find:
f(3)f(3)f(3)
f(−2)f(-2)f(−2)
Solve f(x)=10f(x) = 10f(x)=10
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.