Is it a function?

Is this mapping a function or not a function? 

• Function
• Not a Function 

Is this mapping a function or not a function? 

• Function
• Not a Function

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

• 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)

• Function
• Not a Function

• Function
• Not a Function

Which example is not a function? 

• Example 1 and 3
• Example 2 and 3 
• Example 2 
• Example 1

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)

Is the relation{(<,>),(^,-),(+,=),(&,%)} a function?

• yes, since no first element is repeated
• yes, because there are 4 ordered pairs
• no, because functions must have numbers
• no, because the"&" isn't a math symbol

Is this table a function or not a function? 

• Function
• Not a Function