Marcus du Sautoy meets a detective who uses maths to help solve crimes. Relevant for teaching Maths at KS4 and GCSE in England, Wales and Northern Ireland and National 4/5 or Higher in Scotland.

Revise determining composite and inverse functions for your Higher maths exam with Bitesize Scotland interactive practice quizzes covering feedback and common errors.

In this article, we look at some great resources that explain the maths concept of functions really well.