Functions and Not a Function

Is this a function or not a function?

• 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.

Is this is a function or not a function?

• Function

• Not a Function

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)}

Which of these tables represent a function?

• A

• B

• C

• D

• all of the above

Translate the coordinate pair into function notation.

Given the graph, find:

Which graph represents a function?

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• 
• 
• 

Which image is NOT the graph of a function?

• 
• 
• 
• 

Does the table represent a function?

• Yes

• No