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7. PLEASE HELP ME
Suppose you have 54 feet of fencing to enclose a rectangular dog pen. The function A= 27x -x2, where x = width, gives you the area of the dog pen in square feet. What width gives you the maximum area? What is the maximum area? Round to the nearest tenth as necessary.

A. width = 13.5 ft; area = 182.3 ft2

B. width = 13.5 ft; area = 546.8 ft2

C. width = 27 ft; area = 391.5 ft2

D. width = 27 ft; area = 182.3 ft2

Sagot :

lalamcg115

Answer:

A. width = 13.5 ft; area = 182.3 ft2

Step-by-step explanation:

Suppose you have 54 feet of fencing to enclose a rectangular dog pen. The function A = 27x – x2, where x = width, gives you the. Answer: The width of the dog pen is 13.5 ft and the area is 182.3 square feet.

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