Intro to Functions

• {1, 2, 3, 4, 5}

• {-1, 1, 2, 3}

• {1, 2, 3, 5}

• {1, 5}

• Function
• Not a Function

Is this graph a function or not a function? 

• Function

• Not a Function

Is this graph a function or not a function? 

• Function

• Not a Function

Is this graph a function or not a function? 

• Function 

• Not a Function 

Is this graph a function or not a function? 

• Function 

• Not a Function

Is this table a function or not a function? 

• Function

• Not a Function 

Tags

CCSS.8.F.A.1

Does this relation represent a function?
(1,5), (1,6), (1,7), (1,8), (1,9)

• Yes

• No

Tags

CCSS.8.F.A.1

You can identify a function from a graph by using the.....

• Horizontal Line Test

• Eye Test

• Vertical Line Test

• Diagonal Line Test

Does this table represent a function?

• Yes 

• No

Tags

CCSS.8.F.A.1