Identifying Functions from Graph

• Function

• Not a function

• Function

• Not a function

• Function

• Not a function

• Function

• Not a function

Function or not

• function

• not a funtion

Is y a function of x?

• Yes, because it passes the vertical line test

• No, because it does not pass the vertical line test

• function

• not a function

• function

• Not a function

• Function

• Not a function

Is y a function of x?

• function

• not a function