document.write( "Question 1195777: The total annual revenue for a product is given by R(x) = 10,000x-2x^2
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Algebra.Com's Answer #828297 by math_helper(2461) $\"\"$ $\"About$

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document.write( "R(x) = 
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document.write( "dR/dx = 10000-4x\r
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document.write( "At min or max, dR/dx = 0:  10000-4x = 0  ==>  x = 2500 units for max revenue. 
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document.write( "You can see this is a max (and not a min) by looking at 2nd deriv. which is -4 ==> concave down ==> critical point is a local maximum.\r
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document.write( "Plug in x=2500 into R(x) to get the max revenue.  To convince yourself, you should plug in x=2501 and x=2499 to see those R(x) values are less than R(2500). \n" );
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