Identifying Functions and Domain/Range

Identifying Functions and Domain/Range

What is a function?

Ways to Represent a Function

• Mapping Diagram

• Input and Output Table

• Ordered Pairs

• Graph

Multiple Choice

Function or Not a Function?

• Function

• Not a Function

Multiple Choice

Function or Not a Function?

• Function

• Not a Function

Multiple Choice

Function or Not a Function?

• Function

• Not a Function

Multiple Choice

Function or Not a Function?

• Function

• Not a Function

Names for Domain

• D = Domain

• I = Input Value

• X = x-value

• I = Independent Variable

Multiple Choice

What is the domain of the function shown?

• 3, 0, -3, 6

• -1, 0, 2

• 3, -1, 0, 2, 6

Names for Range

• R = Range

• O = Output Value

• Y = y-value

• D = Dependent Variable

Multiple Choice

What is the range of the function shown?

• 3, 0, -3, 6

• -1, 0, 2

• 3, -1, 0, 2, 6

Multiple Choice

DOES THIS GRAPH REPRESENT A FUNCTION?

• NO

• YES

Multiple Choice

Which is the set of all y-values or the outputs?

• Domain

• Range

• Relation

• Function

Multiple Choice

What is the domain of a relation?

• the set of all x-values

• the set of all y-values

Multiple Choice

Is this relation a Function?

• Yes
• No
• I Don't Know

Multiple Choice

Does this table represent a function?

• Yes!
• No!
• I Don't Know

Multiple Choice

Identify the domain of the relation shown.

• -6, 14, 2, 28

• (-6,14), (0,32), (2,38), (4,44)

• -6, 0, 2, 4

• 14, 32, 38, 44

Multiple Choice

What is the range?

• {-3, -1, 2, 4}

• {0, 4, 7}

• {0, 4, 4, 7}

• {7, 4, 0}