The points on this graph represent a relationship between x- and y-values. Which statement about the relationship is true? A) It must be proportional because the points lie in a straight line.
B)It must be proportional because each time x increases by 2, y stays the same C)It cannot be proportional because the y-values are not whole numbers.
D)It cannot be proportional because a straight line through the points does not go through the origin.