The marginal cost of drilling an oil well depends on the depth at which you are
Chapter 5, Problem 3(choose chapter or problem)
The marginal cost of drilling an oil well depends on the depth at which you are drilling; drilling becomes more expensive, per meter, as you dig deeper into the earth. The fixed costs are 1,000,000 riyals (the riyal is the unit of currency of Saudi Arabia), and, if x is the depth in meters, the marginal costs are C(x) = 4000+10x riyals/meter. Find the total cost of drilling a 500-meter well.
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