1. Lesson 3.2: Understanding Relations and Functions Essential Question: How do you represent relations and functions?

2. Vocab: Relation
Relation: A visual representation of how inputs (x- values) and output (y-values) are related/connected.

3. Vocab: Function
Function: a special type of relation in which there is ONLY one output value for each input value. The “x- values” can not repeat.

4. Vocab: Domain & Range
Domain: all input/x-values Range: all output/y-values

6. Identify the domain & range? Is it a function?

7. Identify the domain & range? Is it a function?

8. Vertical Line Test
The vertical line test states that a relation is a function if and only if a vertical line does not pass through more than one point on the graph of a relation.

9. Function?

10. Function?