Do any of the inputs repeat?
The relation is
(1,4) (3,8)
The relation is
(1,4) (3,3) (4,4)
The relation is
(5,20) (6,10) (10,30)
The relation is
(4,3)
The relation is
Do any of the x's repeat?
The relation is
The scatter plot is not a function.
The scatter plot is a function.
The equation is not a function
The equation is a function
The equation is