Find the change in Revenue, R.
In each case, that the number of units, x, increases by three from the specified value of x.
dR/dx = 75 (20 + 900/x), x = 500.
Please see the attached file for detailed solution.
Business Calculus re: Marginal Analysis
Find the change in Cost, C. Revenue, R, or Profit, P. In each case, that ...
The solution finds the change in revenue when the units increase by three from the specified value by integration.