Mark all the Statements that are true:
A. This graph is a function because the value of x is the same for every value of y.
B. This graph is a function whose range is the set {3}.
C. This graph is not a function because the value x = 3 is assigned to more than one value.
D. This graph is a function whose domain is the set {3}.
E. The equation of this line is x = 3.
Please help me with this question.