1. Chapter 5: Relations & Functions
Section 2 – Relations & Functions

2. Objectives I can identity relations & functions
I can evaluate functions

3. Vocabulary relation function Vertical line test Function notation
A set of ordered pairs (numbers that are related to each other)
A relation that assigns exactly one output value for each input value
If any one vertical line passes through more than one point on a graph of a relation, it’s not a function
f(x)
Example

4. Notes Part 1: Identifying relations & Functions

5. Part 1: Identifying Relations & Functions
Pizza
House  2  A  4  B  3  C  1  D
HOUSE A
HOUSE B
HOUSE C
HOUSE D
Pizza
House  2  A  1  3  C  4  B
PIZZA 1
PIZZA 2
PIZZA 3
PIZZA 4
Pizza
House  1  A  B  3  D  2  C

6. Part 1: Identifying Relations & Functions

7. Part 1: Identifying Relations & Functions

8. Part 1: Identifying Relations & Functions

9. Part 2: Evaluating Functions

10. Part 2: Evaluating Functions

11. Part 2: Evaluating Functions

12. Part 2: Evaluating Functions

13. CAN YOU?? PROVE IT!! I can identity relations & functions
I can evaluate functions