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