Unit 2- Linear Equations Test

Is this table a function or not a function? 

• Function

• Not a Function 

• Function
• Not a Function

• F
• G
• H
• J

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.

• Function
• Not a Function

Is this a function?

• Function

• Not a Function

Is this mapping a function or not a function? 

• Function

• Not a Function 

Does this table represent a function?

• Yes 

• No

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

• Yes

• No

What is the domain of the graph?

• y≥1
• x ≥ 1
• All real numbers
• none of these