If 5000 Feet of Fencing Are Used to Enclose a Rectangular

question 162

Multiple Choice

If 5000 feet of fencing are used to enclose a rectangular field, the resulting area of the field is A=x(2500-x) , where x is the width of the pen. What is the maximum possible area of the pen?

• A) 62,500ft²
• B) 1,562,500ft²
• C) 1250ft²
• D) 31,250ft²

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