Which table represents a direct variation function? input (x) 2 3 4 5 6 output (y) 7 8 9 10 11 input (x) 2 4 6 8 10 output (y) -3 -5 -6 -7 -8 input (x) -5 -4 -3 -2 -1 output (y) 10 8 6 4 2 input (x) -2 1 0 1 2 output (y) -3 -3 -3 -3 -3