Function vs Non Function

Which of the following tables does NOT represent a function?

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• 
• 
• 

Tags

CCSS.8.F.A.1

Which of the following represents a function?

• <(1,2), (1,3), (1,4), (1,5)>

• <(1,2), (2,3), (3,4), (4,5)>

• <(1,2), (3,4), (3,5), (6,7)>

• <(1,2), (3,4), (5,6), (5,8)>

Tags

CCSS.8.F.A.1

Which of the following mappings represents a function?

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• 
• 
• 

Tags

CCSS.8.F.A.1

Which value of w would allow these coordinates to represent a function?

• -3

• -5

• 6

• 0

How do you determine if a graph is a function?

• look at the y-values, if they repeat, it's not a function

• Use the "vertical line" test aka "pencil test"

• Look at you x-values, if they repeat it is a function

• Use the horizontal line test

Which ordered pair could you add to the following list of points to create a function?  (3, 5) (4, 9) (2, 5) 

• (3, 7)

• (4, 1) 

• (1, 9)

• (2, 6)

Tags

CCSS.8.F.A.1

Function or not a function? How do you know?

Tags

CCSS.8.F.A.1

Function or not a function? How do you know?

Tags

CCSS.8.F.A.1

{(-2, 0), (0, 3), (1, 4), (1, 7)}

Function or not a function? How do you know?

Tags

CCSS.8.F.A.1

Function or not a function? How do you know?

Tags

CCSS.8.F.A.1