Lesson 1-1

Relations and Functions

Group 1

Group 2

Group 1

Group 2

Vocabulary

• Relation – Set of ordered pairs• Function – A relation in which each element of

the domain is paired with exactly one element of the range.

• Function Notation – f(x)• Domain – Set of Abscissas• Range – Set of Ordinates

State the domain and range of the relation

State the domain and range of the relation

What is the domain and range of the relation

{(-3,0),(4,-2),(2,-6)}

• Domain – {-3,2,4}• Range – {-6,-2,0}• Yes it is a function

What is the domain and range of the relation

{(4,-2),(4,2),(9,-3),(-9,3)}

• Domain – {-9,4,9}• Range – {-3,-2,2,3}• No it is not a function

State the domain of the function

State the domain of the function

Evaluate the function