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

question 45

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. ​

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Definitions:

Sister

A female sibling or a woman who shares a close bond with another individual in a brotherly or sisterly context.

Pretending

The act of behaving in a way that is not genuine, or claiming to have feelings, thoughts, or conditions that are not actual, often as a form of play or to fulfill a particular purpose.

Psychologists

Professionals in the field of psychology, which encompasses the scientific study of the mind and behavior, including cognitive, emotional, and social processes.

Memories

Stored information and experiences in the brain that can be recalled.