Function Factory

Levels 43–99 · functions

A mechanical factory of inputs and outputs. Evaluate, compose, and invert functions to keep the machines running.

Study Before You Play

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

Graphing Linear Functions

Visualize functions — every input gives exactly one output on the graph.

Two-Step Equations

Evaluating a function at a value is like solving a two-step equation.

Exponential Growth & Decay

Exponential functions are a key class of functions to evaluate and compose.