Understanding Relations and Functions

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)}

Function or not a function

• function

• not a function

Function or not a function

• function

• not a function

Is this a function

• Function
• Not a Function

Which of the following is NOT a function?

• 
• 
• 
• 

Is this a function?

• Function
• Not a Function

Is this set of ordered pairs a function or not a function? 

• Function
• Not a Function 

Which graph does NOT pass the vertical line test?

• Graph 1
• Graph 2
• Graph 3
• Graph 4

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)