Housing Costs The cost C of building a house is related to the number k of carpenters used and the number x of electri- cians used by the formula 18 C = 15,000 + 50k² + 60x². a. Assuming that 10 carpenters are currently being used, find the cost function C, marginal cost function C', and average cost function C, all as functions of x. b. Use the functions you obtained in part (a) to compute C'(15) and C(15). Use these two answers to say whether the average cost is increasing or decreasing as the number of electricians increases.
Housing Costs The cost C of building a house is related to the number k of carpenters used and the number x of electri- cians used by the formula 18 C = 15,000 + 50k² + 60x². a. Assuming that 10 carpenters are currently being used, find the cost function C, marginal cost function C', and average cost function C, all as functions of x. b. Use the functions you obtained in part (a) to compute C'(15) and C(15). Use these two answers to say whether the average cost is increasing or decreasing as the number of electricians increases.
Chapter4: Rational Functions And Conics
Section4.2: Graphs Of Rational Functions
Problem 88E
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TWO PART QUESTION (A, B)
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