Lesson 1: Relations & Functions
Not startedPress a button, get one item. That simple idea is what separates a relation from a function — and you will spot it in pairs, tables, diagrams and graphs.
About 40 minutes
Unit 1 · Strand: Characteristics of Functions
Unit 1 — Introduction to Functions
Meet functions: inputs and outputs, function notation, domain and range, and the different ways a function can be shown.
Unit progress0%
What you'll learn
- Tell the difference between a relation and a function
- Recognize functions in ordered pairs, tables, mapping diagrams, graphs and equations
- Use and explain the vertical-line test