The Lengths of the Edges of a Cube Are Increasing

question 58

Multiple Choice

The lengths of the edges of a cube are increasing at a rate of 9 ft/min. At what rate is the surface area changing when the edges are 16 ft long? ​

• A)972 ft²/min
• B)1,728 ft²/min
• C)3,072 ft²/min
• D)486 ft²/min
• E)7,776 ft²/min

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Definitions:

Recession

An economic downturn marked by a significant decline in activity across the economy, lasting more than a few months.

Demand Decline

A situation where the desire or willingness of consumers to purchase a particular good or service decreases over time.

Elastic Demand

A situation where the quantity demanded of a product changes significantly when its price changes.

Inelastic Demand

A situation where the demand for a product does not change significantly in response to a change in its price.