Given that f(x)=2x+9f(x) = 2x + 9f(x)=2x+9 find:
f(4)f(4)f(4)
f(−3)f(-3)f(−3)
Solve f(x)=25f(x) = 25f(x)=25
32 exam-style questions on AQA GCSE Maths Inverse and Composite Functions. Each one has a worked solution and a mark scheme showing where the marks go.