The table represents values that repeat smoothly. x values: 1, 6.25, 11.5, 16.75, 22, 27.25, 32.5, 37.75, 43; y values: 10.5, 14.5, 10.5, 6.5, 10.5, 14.5, 10.5, 6.5, 10.5. Which graph feature summary is correct?