The cost of renting tuxes for the Choral Society's formal is $21 down, plus $83 per tux. Express the cost C as a function of x, the number of tuxedos rented. C(x) = Use your function to answer the following questions. (a) What is the cost of renting two tuxes? $ (b) What is the cost of the second tux? $ (c) What is the cost of the 4,098th tux? $ (d) What is the variable cost? $ What is the fixed cost? $ What is the marginal cost? $

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