Functions Ordered Pairs, Tables, Mapping

Is this mapping a function or not a function? 

• Function

• Not a Function

What output value goes in the "?" box?

Is this mapping a function or not a function? 

• Function

• Not a Function 

Does this relation represent a function?
(1,5), (1,6), (1,7), (1,8), (1,9)

• Yes

• No

Decided if each is a function or not. Choose yes or no for each.

The mapping 

​ (a)  

 y as a function of x, because 

​ (b)  

• does not represent

• represents

• each x-value corresponds to more than one y-value

• each x-value corresponds to exactly one y-value

Does this mapping diagram represent a function?

• No, because an input value goes to multiple output values

• Yes, because each input goes to one and only one output

Which list of ordered pairs matches the mapping diagram?

• {(7, -3), (7, -2), (14, -1), (14, 0)}

• {(-3, 7), (-2, 7), (-1, 14), (0, 14)}

• 
• 
• 
• 

Tags

8.5.G

The mapping 

​ (a)  

 y as a function of x, because 

​ (b)  

• does not represent

• represents

• each x-value corresponds to more than one y-value

• each x-value corresponds to exactly one y-value