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.

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Presentation transcript:

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!

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

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

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

Examples

Your turn!

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

Vertical Line Test

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

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

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