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categoryرياضيات schoolبكالوريوس event_available2026-07-13

السؤال

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A boat on the ocean is 3 mi from the nearest point on a straight shoreline; that point is 11 mi from a restaurant on the shore. A woman plans to row the boat straight to a point on the shore and then walk along the shore to the restaurant. Complete parts (a) and (b) below. 3 mi 11 mi- a. If she walks at 3 mi/hr and rows at 2 mi/hr, at which point on the shore should she land to minimize the total travel time? Let x be the distance between the nearest point on shore and the point she lands on shore. If T is the time it takes her to get to the restaurant, what is the objective function? T = (Type an expression.)

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