Inverse Function Isle

Levels 46–99 · inverseFunction

An island where every path leads back to its origin. Find f⁻¹(y) by reversing linear functions.

Study Before You Play

Brush up on these topics to sharpen your skills for this zone.

Functions & Relations

An inverse function reverses the input/output of the original function.

Linear Functions

The inverse of f(x) = ax + b is f⁻¹(y) = (y − b)/a.

The Coordinate Plane

The graph of f⁻¹ is the reflection of f across the line y = x.