1. Topic 4: Functions 4.1 TLW identify functions and their domain and codomain.

2. Mapping AabcAabc B123B123

3. Domain and Range

4. Example

5. Function Mapping of two sets where each element in the domain is assigned to one and only one element in the codomain. 012012 234234 1 2 -2 1414

6. Example

7. Graphs of Functions

8. Domain

9. Vertical Line Test Tests to see if graph is a functio n A vertical line can be drawn anywhere through the graph and it touches/intersects at most once. –Each element in domain to one in the codomain.

10. Is it a function?

11. What’s the domain and range?

12. Assignment P. 175 #1-8 but not 6e