Which best describes the point (3,-4)? A.It is 4 units above the x-axis and 3 units to the left of the y- axis. B.It is 4 units below the x-axis and 3 units to the left of the y- axis. C. It is 4 units above the x-axis and 3 units to the right of the y- axis. D.It is 4 units below the x-axis and 3 units to the right of the y- axis.