If a car is traveling 50 miles per hour downhill, then the car's braking distance on a

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If a car is traveling 50 miles per hour downhill, then the car's braking distance on a wet pavement is given byimage


where x


(a) Evaluate D(-0.1) and interpret the result. 


(b) What happens to the braking distance as the downhill grade becomes steeper? Does this agree with your driving experience? 


(c) The graph of D has a vertical asymptote at x = -0.3. Give the physical significance of this asymptote. 


(d) Estimate the grade associated with a braking distance of 350 feet.

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