1. Warm Up
Grab an index card on your way in. Take out your Algebra review packet and homework calendar for me to check!
On your index card come up with two truths and one lie about yourself to be shared with your partner and possibly the class!

2. 2.1 Notes: Relations and Functions
Agenda
Warm Up
Check Algebra Review Packet
2.1 Notes
Story Time!
Exit Slip
Functions Sorting Activity

3. What are the characteristics of…
What makes them different?
A Relation
A Function

4. Types of Functions Function Type Definition Picture
One-to-One Function
Onto Function
One-to-One and Onto

5. Examples

6. Your turn!

7. Brain Break
Story Time! Grab a seat on the floor in the front of the room!
Alg&Geo pg. 68

8. Vertical Line Test

9. Examples Example 1: Given f(x) = x3 – 3, find f(–2).
Example 2: Given f(x) = x3 – 3, find f(2t).

10. You try! 2. Given f(x) = x2 + 5, find f(–1).
3. Given f(x) = x2 + 5, find f(3a).

11. Exit Slip
Evaluate the Function
Given 𝑓 𝑥 =2 𝑥 2 −3, find f(3)