The rate of realtionship a would be 2/4 because when you do the point slope formula, you get the slope of 2/4 so 0.6 ends up being 6/10 which is greater than 1/2 (1/2=2/4). 2/3 is greater than 1/2 and 3/4 is greater than 1/2 so it should be all of them except 1/4. Just find at the slope and see what greater than that slope!
