the total sales in thousands of compact disks are given S(t)=(90t^2)/(t^2+50) where t is the number of months since the release. Also the cost of producing x thousand CDs is C(x)=98x-0.02x^2
a) find the cost of producing all the CDs that are sold t of months after the realease
b) find the marginal cost function after 6 months
The 2 different variables is what has me mixed up
a) find the cost of producing all the CDs that are sold t of months after the realease
b) find the marginal cost function after 6 months
The 2 different variables is what has me mixed up