document.write( "Question 1115250: Mr. Hall will use fencing to build a rectangular pen to hold his goats. He plans to use exactly 400 feet of fencing. Which function gives the area, A, of the pen based on its width, w?\r
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document.write( "How to I figure this out? \n" );
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Algebra.Com's Answer #730147 by ikleyn(52803)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "If w is the width, then the length is 200-x, and the area is\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( " A(w) = width*length = w*(200-w) = -w^2 + 200w.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "It is the function of w the problem asks for.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "Solved.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |