Question: Suppose that the cost function for a commodity is C(x) = 40 + x2 dollars (a) Find the marginal cost at x = 5 units

Suppose that the cost function for a commodity is

C(x) = 40 + x2 dollars

(a) Find the marginal cost at x = 5 units and tell what this predicts about the cost of producing 1 additional unit.

(b) Calculate C(6) - C(5) to find the actual cost of producing 1 additional unit.

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