Relations and Functions

Does this set of ordered pairs represent a function?

• Function

• Not a Function

Does this mapping diagram represent a function?

• Function

• Not a Function

Is this table a function or not a function?

• Function

• Not a Function

Is this mapping diagram a function or not a function?

• Function

• Not a Function

Is this table a function or not a function? 

• Function
• Not a Function 

Tags

CCSS.8.F.A.1

Does the graph represent a function?

• Yes, because the vertical line test shows there are no repeating input values
• No, because the vertical line test shows there are repeating input values

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

Is the relation a function? Why.

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

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

Does this graph represent a function?

• Yes

• No

Does this graph represent a function?

• Yes

• No

What is the domain?

• the set of all x-values

• the set of all y-values

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5