A boat travels 100 miles upstream against a 10 mile/hour current. When the boat’s velocity is mile/hour, the number of gallons of gasoline consumed each hour is directly proportional to . (a) If a...


A boat travels 100 miles upstream against a 10 mile/hour current. When the boat’s velocity is mile/hour, the number of gallons of gasoline consumed each hour is directly proportional to .


(a) If a constant velocity of v mile/hour is maintained, show that the total number of y of gallons of gasoline consumed is given by


,∀ > 10 and some positive constant k.


(b) Find the speed that minimizes the number of gallons of gasoline consumed during the trip.

Jun 03, 2021
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