help pls i need help with

Select all of the following tables which represent y as a function of r. y y y -2 -3 -1 -4 -3 -4 0 -2 1 2 3 1 3 3 4 2 6 6 3 6 7 9 7 8 8 7 7 9 12 14 12 14 12 10 11 O