Domain Range Function and Not a Function

Ordered pairs can still be a function if an x-value repeats but ONLY when:

• the y values also repeat

• the y values are different

Tags

CCSS.8.F.A.1

Function or not a function?

{(0, 3) (3,7) (-12, 3) (0,3)}

• Function

• Not a function

Tags

CCSS.8.F.A.1

Function or not a function?

• Function

• Not a function

Tags

CCSS.8.F.A.1

Which of the following relations IS a function?

• {(0,3) (3,6) (0, 2)}

• {(8,3) (2, 10), (9,1) (8, 10)}

• {(9,0) (8,0) (10, 0) (9, 1)}

• {(2,5) (12, 3) (-39, 3)}

Tags

CCSS.8.F.A.1

Which ordered pair could be added to this relation and make the set NOT a function?

• (-6, -9)

• (9,3)

• (6,3)

• (-1,4)

Tags

CCSS.8.F.A.1

Which ordered pair could replace the missing values and remain a function?

• (-3,-2)

• (2,8)

• (5,-3)

• (0,-8)

Tags

CCSS.8.F.A.1

When looking at coordinate planes, if you see two points on the same vertical line, that is

• not a function

• a function

Tags

CCSS.8.F.A.1

Function or not a function?

• Function

• Not a function

Tags

CCSS.8.F.A.1

Function or not a function?

• Function

• Not a function

Function or not a function?

• Function

• Not a function

Tags

CCSS.8.F.A.1