Education Technology

Mathematics lessons for IB® Diploma Programme

Applications and Interpretation | Functions

Inverse Functions


  • Students will discover and discuss the graphical and algebraic relationships a function has with its inverse and the line y=x.
  • Students will apply inverse functions to real world situations including temperature and money conversions.
  • Students will try to make a connection with how to understand these topics in IB Mathematics courses and on their final assessments.


  • Inverse
  • Reflection
  • Domain
  • Range

About the Lesson

In this activity, students will analyze, interpret and apply the graphical and algebraic relationships between a function and its inverse.