Work these problem. (See Example.)
In deciding whether to set up a new manufacturing plant, company analysts have determined that a linear function is a reasonable estimation for the total cost C (x) in dollars of producing x items. They estimate the cost of producing 10,000 items as $547,500 and the cost of producing 50,000 items as $737,500.
(a) Find a formula for C (x).
(b) Find the total cost of producing 100,000 items.
(c) Find the marginal cost of the items to be produced in this plant.
Example
An electronics company manufactures handheld PCs. The cost function for one of its models is C(x) = 160x + 750,000.
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