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. me with this question.