Answer asap, 25 points if you answer and will get brainliest if you show all work. < br /> < br /> if you drive at x miles per hour and apply your breaks, your stopping distance in feet is approximately < br /> < br /> a)by how much will your stopping distance increase if you increase your speed from 20 mi/h to 30 mi/h? < br /> b)by how much will your stopping distance increase if you increase your speed from 50 mi/h to 60 mi/h? < br /> c)an important driving guideline is that you leave one car length between your car and the car in front of you for every 10 mi/h of speed. thus, you should leave three car lengths if you are driving at 30 mi/h and 5 car lengths if you are driving at 50 mi/h. is this guideline consistent with the model f(x)?