document.write( "Question 797881: The price, p, in dollars, and the quantity, x, sold of a certain product obey the demand equation below.\r
\n" ); document.write( "\n" ); document.write( " p = (-1/3)x + 100 text( , ) 0 <= x <= 300 \r
\n" ); document.write( "\n" ); document.write( " (a) Express the revenue R as a function of x.
\n" ); document.write( " R(x) = \r
\n" ); document.write( "\n" ); document.write( " (b) What is the revenue if 100 units are sold?
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\n" ); document.write( "\n" ); document.write( " (d) What quantity x maximizes revenue?
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\n" ); document.write( " What is the maximum revenue?
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\n" ); document.write( " (e) What price should the company charge to maximize revenue?
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Algebra.Com's Answer #481974 by stanbon(75887)\"\" \"About 
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The price, p, in dollars, and the quantity, x, sold of a certain product obey the demand equation below.
\n" ); document.write( "p = (-1/3)x + 100 text( , ) 0 <= x <= 300
\n" ); document.write( "(a) Express the revenue R as a function of x.
\n" ); document.write( "R(x) = x[(-1/3)x+100] = (-1/3)x^2 + 100x
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\n" ); document.write( "(b) What is the revenue if 100 units are sold?
\n" ); document.write( "R(100) = (-1/3)10,000 + 10,000
\n" ); document.write( "R(100) = (2/3)10,000 = $6666.66
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\n" ); document.write( "\n" ); document.write( "(d) What quantity x maximizes revenue?
\n" ); document.write( "x = -b/(2a) = -100/(-2/3) = 150
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\n" ); document.write( "What is the maximum revenue?
\n" ); document.write( "Find R(150) = $7500.00
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.\r
\n" ); document.write( "\n" ); document.write( "(e) What price should the company charge to maximize revenue?
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