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mismhan01
20.03.2020 •
Mathematics
The marginal cost of producing the xth box of CDs is given by 9 â x/(x2 + 1)2. The total cost to produce two boxes is $1,100. Find the total cost function C(x).
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Ответ:
C(x)=![9x+\frac{1}{2(x^2+1)}+1081.9](/tpl/images/0554/9530/31e20.png)
Step-by-step explanation:
We are given that
Total cost function
C(x)=![\int(9-\frac{x}{(x^2+1)^2})dx](/tpl/images/0554/9530/d299f.png)
Let![x^2+1=t](/tpl/images/0554/9530/7f950.png)
Substitute the value
Substitute x=2
Total cost function, C(x)=![9x+\frac{1}{2(x^2+1)}+1081.9](/tpl/images/0554/9530/31e20.png)
Ответ:
frankly yes, because when you want inverse a function you must inverse it with line x=y
so when you inverse a function Df and Rf will convert together!