3.3 Optimization Problems Day 1

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Presentation transcript:

3.3 Optimization Problems Day 1

Example #1: Optimal Area A farmer has 800 m of fencing and wishes to enclose a rectangular field. One side of the field is against a country road that is already fenced, so the farmer needs to fence only the remaining three sides of the field. If the farmer uses all of the fencing provided, what is the maximum area that he can enclose? What dimensions produce this area?

Example #2: Optimal Volume A piece of sheet metal, 60cm by 30 cm, is to be used to make a rectangular box with an open top. Determine the dimensions that will give the box the largest volume.

Example #3: Minimizing Distance Ian and Ada are both training for a marathon. Ian’s house is located 20 km north of Ada’s house. At 9:00 am one Saturday, Ian leaves his house and jogs south at 8 km/h. At the same time, Ada leaves her house and jogs east at 6 km/h. When are Ian and Ada closest together, given that they both run for 2.5 h.

QUESTIONS: p.145-147 #4, 8, 10, 11, 15, 19b, 20