Given that f(x)=5x+2f(x) = 5x + 2f(x)=5x+2 find:
f(3)f(3)f(3)
f(−2)f(-2)f(−2)
Solve f(x)=12f(x) = 12f(x)=12
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.