document.write( "Question 491523: A cattle rancher has 2600 feet of fencing
\n" ); document.write( "that will be used to enclose a rectangular feed lot.
\n" ); document.write( "If one of the dimensions of the feed lot is
\n" ); document.write( "x,find a formula for the area y of the feed lot (in square feet)
\n" ); document.write( "as a function of x.
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Algebra.Com's Answer #334657 by stanbon(75887)\"\" \"About 
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A cattle rancher has 2600 feet of fencing
\n" ); document.write( "that will be used to enclose a rectangular feed lot.
\n" ); document.write( "If one of the dimensions of the feed lot is
\n" ); document.write( "x,find a formula for the area y of the feed lot (in square feet)
\n" ); document.write( "as a function of x.\r
\n" ); document.write( "\n" ); document.write( "------------------
\n" ); document.write( "Perimeter = 2(length + width)
\n" ); document.write( "1300 = length + width
\n" ); document.write( "---
\n" ); document.write( "let lenth be \"x\":
\n" ); document.write( "1300 = x + w
\n" ); document.write( "width = 1300-x
\n" ); document.write( "-----
\n" ); document.write( "Area = length * width
\n" ); document.write( "Area = x(1300-x)
\n" ); document.write( "A = 1300x - x^2
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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