What you need to know
Check yourself against these “I can” statements.
- I can use function notation, like f(x) = 3x + 1
- I can find composite functions, like fg(x), and solve equations with them
- I can find the inverse of a function and solve equations like f⁻¹(x) = 2
- I can find the domain and range of a function (Further Maths)
Practise this topic
2 resources🔤 Fill the Gaps
Fill the Gaps: Maths Vocabulary
A sentence explaining one of the unit’s key words, with gaps. Pick the right word for each gap from the words scattered round it: the right ones and plenty of wrong ones. A deck for every unit.
🧮 ToolGraph Plotter
A graphing calculator: type y = f(x), x = g(y), implicit relations such as x² + y² = 25, inequalities (shaded, dashed for < and solid for ≤), parametric and polar curves, points and tables, functions f(x) = … with f′(x), and…
These are the pages for Functions in the GCSE + AQA Further Maths scheme of work, following Pearson Edexcel GCSE (9–1) Higher (1MA1), plus AQA Level 2 Further Mathematics (8365). Open this topic in Mr Wells Maths to see it alongside the rest of the course.