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

question 54

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. How many machines give minimum average costs? ​

• A)Using 25 machines gives the minimum average costs.
• B)Using zero machines gives the minimum average costs.
• C)Using 35 machines gives the minimum average costs.
• D)Using 50 machines gives the minimum average costs.
• E)Using 55 machines gives the minimum average costs.

---

Definitions:

International Monetary Fund

An international organization established to promote global economic growth and financial stability, to encourage international trade, and to reduce poverty around the world.

Wealth Holders

refers to individuals or entities that possess a substantial amount of assets, financial or otherwise.

Nation's Wealth

refers to the total value of all economic assets owned by a country, including natural resources, capital goods, and the net value of its financial assets.

Percentage

A fraction or ratio expressed as a part of one hundred, used to quantify or compare parts of a whole.