Rate of change=<span><span>change in y divided by </span><span>change in <span>x y= 3,6,9 x= 1,2,3 The numbers chosen above are because if mike travels 3 miles in one hours then he can travel 6 miles in two hours and 9 miles in 3 hours. Change in y = 3 Change in x = 1 3 / 1 = 3 So, the rate of change is 3.</span></span></span>
