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00 하 7. (20 pts) A farmer wants to build fences around and across a 2,700 ft rectangular field as shown in the picture (
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00 하 7. (20 pts) A farmer wants to build fences around and across a 2,700 ft rectangular field as shown in the picture (
00 하 7. (20 pts) A farmer wants to build fences around and across a 2,700 ft rectangular field as shown in the picture (not to scale). The internal fencing costs $5 per foot, and the external fencing costs S15 per foot. What are the 61 dimensions of the field that will minimize the cost of the fencing? What is the lowest possible cost to build this space? Use the Second Derivative Test to confirm that your answer yields a minimum cost. Round to two decimal places if necessary and include units with your answers. SHOW WORK 115 125 20 3 45 ft 2 2(15). 2 (5) 2(157) 2(sx. 21sy ? -2 y no 810008 f16200043 top quy 2700 from where Cost $3600 - 30
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