Functions from Tables and Graphs

Does this table represent a function?

• Yes 

• No

Is this table a function or not a function? 

• Function

• Not a Function

Does this represent a function?

• Yes

• No

• Function
• Not a Function

• Yes
• No

Which is a function?

• A

• B

• C

• D

Does the mapping of these points represent a function? (Note: the left oval represents your x values and the right oval represents your y values)

• Function

• Not a Function

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.

• Yes, because each x-value has only one y-value paired with it.

• No, because the x-value 11 has two y-values pair with it.

• No, because each x-value has only one y-value paired with it.

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

• Horizontal Line Test

• Eye Test

• Vertical Line Test

• Diagonal Line Test

Which set of ordered pairs 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)>