A relation is a set of ordered pairs. Think of all the students in our class and think of their heights… Pairing their name and their height is a relation.

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A relation is a set of ordered pairs. Think of all the students in our class and think of their heights… Pairing their name and their height is a relation. 2.1 Relations & Functions

The set of all the starting points is called the domain, and The set of all the ending points is called the range. The domain is what you start with; the range is what you end up with. Domain vs. Range

Domain & Range State the domain and range of each. 1.{(1, 3), (3, -2), (6, 0), (2, 4)} 2.

Domain & Range State the domain and range of each

A relation is any set of ordered pairs. Functions vs. Relations

Foldable! Each student will receive a foldable. Use your scissors to cut along the dotted lines. You are ENCOURAGED to use highlighters, m a r k e r s, and colored pencils in this foldable!!!

State the domain and range of each relation. Then determine whether each relation is a function. Practice 1. 2.

State the domain and range of each relation. Then determine whether each relation is a function. Practice 3. 4.

State the domain and range of each relation. Then determine whether each relation is a function. Practice 5. 6.

State the domain and range of each relation. Then determine whether each relation is a function. Practice

Function Notation

Normal Notation Function Notation

You Try

Function Notation

Homework Lesson Worksheet