A mining company estimates that the marginal cost of extracting x tons of copper ore from a mine is
0.7 + 0.008x, measured in thousands of dollars per ton. Start-up costs are $100,000.
What is the cost of extracting the first 50 tons of copper?
What is the cost of extracting the next 50 tons?

Question

A mining company estimates that the marginal cost of extracting x tons of copper ore from a mine is 
0.7 + 0.008x, measured in thousands of dollars per ton. Start-up costs are $100,000.
What is the cost of extracting the first 50 tons of copper?
What is the cost of extracting the next 50 tons?

anonymous · Answer

Help? it has to do with integrals