Stage 20 · Coordinates & First Functions

20.5.4 The Domain (Written as an Interval)

20.5 Three Ways to Show a Function, Plus Domain and Range

Point 4 of 6

20.5.4 The Domain (Written as an Interval)

Core idea

Gather up every x the machine will accept into one set, and write it as the domain using the intervals from last stage.

Module goal. Describe the same function through a formula, a table, and a graph, and use intervals to write down the range of inputs and outputs
eastmath.com · 20.5 Three Ways to Show a Function, Plus Domain and Range · 20.5.4 The Domain (Written as an Interval)