document.write( "Question 380813: I need help. I do not understand and the problem has to be done by factoring. Please help.\r \n" );
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document.write( "Tropical Pools sells an aboveground \n" );
document.write( "model for p dollars each. The monthly revenue for this \n" );
document.write( "model is given by the formula \n" );
document.write( "R(p)=-0.08p2 + 300p.\r \n" );
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document.write( "Revenue is the product of the price p and the demand \n" );
document.write( "(quantity sold).\r \n" );
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document.write( "a) Factor out the price on the right-hand side of the \n" );
document.write( "formula.\r \n" );
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document.write( "b) Write a formula D(p) for the monthly demand.\r \n" );
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document.write( "c) Find D(3000).\r \n" );
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document.write( "d) Use the accompanying graph to estimate the price at \n" );
document.write( "which the revenue is maximized. Approximately how \n" );
document.write( "many pools will be sold monthly at this price? \n" );
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