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)=2f(x) = 2f(x)=2
136 exam-style questions on Eduqas GCSE Maths Inverse and Composite Functions. Each one has a worked solution and a mark scheme showing where the marks go.