Suppose the Average Costs of a Mining Operation Depend on the Number

question 86

Multiple Choice

Suppose the average costs of a mining operation depend on the number of machines used, and average costs, in dollars, are given by , , where x is the number of machines used. What is the minimum average cost? Round your answer to the nearest dollar. ​

• A)$0
• B)$35
• C)$490
• D)$245
• E)$8,582

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