document.write( "Question 265844: Please help me solve this problem:\r
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document.write( "The cost C for a company to produce, and the revenue R from teh sale of x units of a very expensive computer microprocessor are given by
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document.write( "C=17.8x+120, R=33.7x-0.5x^2 .
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document.write( "How many microprocessors should the company produce for the venture to be profitable (R>C)?
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Algebra.Com's Answer #195466 by stanbon(75887) ![]() You can put this solution on YOUR website! The cost C for a company to produce, and the revenue R from teh sale of x units of a very expensive computer microprocessor are given by \n" ); document.write( "C=17.8x+120, \n" ); document.write( "R=33.7x-0.5x^2 . \n" ); document.write( "How many microprocessors should the company produce for the venture to be profitable (R>C)? \n" ); document.write( "---------------------------- \n" ); document.write( " \n" ); document.write( "33.7x-0.5x^2 > 17.8x+120 \n" ); document.write( "--- \n" ); document.write( "15.9x - 0.5x^2 > 1200 \n" ); document.write( "--- \n" ); document.write( "Multiply thru by 10 to get rid of the decimals: \n" ); document.write( "159x - 5x^2 > 1200 \n" ); document.write( "--- \n" ); document.write( "Rearrange \n" ); document.write( "5x^2 < 159x - 1200 \n" ); document.write( "---- \n" ); document.write( "I graphed the left side and the right side to see where left < right \n" ); document.write( "12.32 < x < 19.48 \n" ); document.write( "Rounding to whole numbers: \n" ); document.write( "13 < x < 19 \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |