IB skill practice

Sketch inverse function relationships

Use reflection in y=x and domain restrictions to connect a function and its inverse.

Paper 1, Paper 2 5 marks Difficulty 4

Sketch inverse function relationships - visual model point

A point \((0,2)\) lies on \(f\). Use the reflection shown to enter the x-coordinate of the corresponding point on \(f^{-1}\).

Worked practice: result and interpretation

Calculate the requested result first, then choose the interpretation that follows from it.