According to a study, a vehicle's fuel economy, in miles per gallon (mpg), decreases rapidly for speeds over 40 mph. 3 a a) Estimate the speed at which the absolute maximum gasoline mileage is 3 9x obtained. ,A, b) Estimate the speed at which the absolute minimum gasoline mileage is E 24 El\" obtained. E c) What is the mileage obtained at 85 mph? E 18 _(' g 12 - L a) The speed at which the absolute maximum gasoline mileage is obtained is V approximately E (Type a whole number.) 5 15 25 35 45 55 65 75 85 95 . . . . . . . . , d h b) The speed at which the absolute minimum gasoline mileage is obtained is Spee (mp ) approximately C] : (Type a whole number.) c) The mileage obtained at 85 mph is (Type a whole number.)