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Math 211 Business Calculus Applications of Derivatives

Math 211 Business Calculus Applications of Derivatives

Math 211 Business Calculus Applications of Derivatives

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– p. 29/34<br />

Fencing Problem Setup<br />

Letx=length <strong>of</strong> the pen andy = width<br />

The two side pieces cost4y each<br />

and the one length piece costs 5x<br />

The total cost is<br />

C = 2·4y +5x = 8y +5x<br />

The area isA = xy<br />

The problem is to minimize the cost function C<br />

subject to the constraining equation

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