Which explains why the graph is not a function? an 4 + 3+ 2+ It is not a function because the points are not connected to each other. It is not a function because the points are not relate by a single equation. It is not a function because there are two different x 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