Identify Function Values on a Graph

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

• Horizontal Line Test

• Eye Test

• Vertical Line Test

• Diagonal Line Test

• Function
• Not a Function

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)

• (3,4) (4,-3) (7,4) (3, 8)

• (6,-5) (7, -3) (8, -1) (9, 1)

• (2, -2) (5, 9) (5, -7) (1, 4)

DOES THE GRAPH REPRESENT A FUNCTION?

• YES

• NO

IS THIS A FUNCTION?

• YES

• NO

DOES THE BLUE ON THE GRAPH REPRESENT A FUNCTION?

• YES

• NO

DOES THIS GRAPH REPRESENT A FUNCTION?

• YES

• NO

• A

• B

• C

• D

IS THE FOLLOWING A FUNCTION?

• YES

• NO

DOES THE GRAPH REPRESENT A FUNCTION?

• YES

• NO