y Which explains why the graph is not a function? 5 4 137 2 O It is not a function because the points are not connected to each other. It is not a function because the points are not related by a single equation. O It is not a function because there are two different r- values for a single y-value. It is not a function because there are two different y- values for a single x-value. 1 + -5 -4 -3 -2 -11 1 2 3 4 5 X -2+ 37 -4 + -5