Bob wants to create two pens, as shown in the figure. One pen is for a garden and it needs a heavy duty fence to keep out the critters. This heavy duty fence costs $28 per foot. The dog pen shares a side with the garden and has a lighter weight fence on the other three sides that costs $7 per foot. If each pen is to have an area of 3,240, find the values of x and y that would minimize the total cost of the fencing. x= y=

Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter8: Functions
Section8.4: More Quadratic Functions And Applications
Problem 49PS
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Bob wants to create two pens, as shown in the figure. One pen is for a garden and it needs a heavy duty fence to keep out the critters. This heavy duty fence costs $28 per foot. The dog pen shares a side with the garden and has a lighter weight fence on the other three sides that costs $7 per foot. If each pen is to have an area of 3,240, find the values of x and y that would minimize the total cost of the fencing.

x=

y=

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