The Total Cost in Dollars of Producing X Lawn Mowers

question 34

Multiple Choice

The total cost in dollars of producing x lawn mowers is given by C(x) = 4,000 +90x - Find the marginal
average cost at x = 20, and interpret the result.

• A) -$10.33; a unit increase in produuction will decrease the average cost per unit by approximately $10.33 ata production level of 20 units.
• B) -$13.33; a unit increase in production will decrease the average cost per unit by approximately $13.33 at a production level of 20 units.
• C)-$1.33; unit increase in prodction will decrease the average cost per unit by approximately $1.33 at a production level of 20 units.
• D) -$20.33; a unit increase in production will decrease the average cost per unit by approximately $20.33 at a production level of 20 units.

Comprehend the main absorbers of atmospheric carbon dioxide since 1750.

Recognize the impact of DDT on birds due to its characteristics.

Identify the main steps of the nitrogen cycle.

Understand the processes involved in the hydrologic cycle and identify which are not part of it.

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