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    Calculus (Business: Cost of a prime-rib dinner ) Please help Step by step!!!?

    The average cost C of a prime rib dinner was $4.65 in 1962. In th 1986, it was $15.81. Assuming that the exponential growth model applies A) Find the exponential growth rate to three decimals place and write the function that models the situation. B) What will the cost of such a dinner be in...
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    Business minimizing average cost Calculus?

    The total Cost in dollars of producing x units of a product is given by C(x)= 100x +100?(x)+ (?(x^3)/100) How many units should be produce to minimize the average cost? The answer is 10,000 units but Idk how they got it.
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