20. Assume the total revenue from the sale of x items is given by

R(x) = 39ln (8x+1), while the total cost to produce x items is C(x) = x/5. Findthe approximate number of items that should be manufactured so that profit, R(x) - C(x) , is maximum.

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- Feb 29th 2008, 05:29 PMArmiAlditotal revenue from the sale
20. Assume the total revenue from the sale of x items is given by

R(x) = 39ln (8x+1), while the total cost to produce x items is C(x) = x/5. Findthe approximate number of items that should be manufactured so that profit, R(x) - C(x) , is maximum. - Feb 29th 2008, 05:49 PMmr fantastic
The following is a slightly altered version of the replies given at this thread:

- Feb 29th 2008, 05:51 PMTKHunny
You did not provide any inforamtion concerning what methods might be appropriate. Are you studying the Derivative and its applications? Can you find the first derivative of R(x) - C(x)? That will send you on your way to a solution.