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:

Brachialgia

Pain in the arm, often deriving from nerve irritation or damage.

Pain

A disagreeable feeling and emotional response linked to real or possible harm to the body's tissues.

Tenodynia

Pain in a tendon, often due to strain or overuse.

-Dynia

A suffix used in medical terms to denote pain, often used in conjunction with the part of the body affected (e.g., pleurodynia).