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The Lengths of the Edges of a Cube Are Increasing

Question 30

Multiple Choice

The lengths of the edges of a cube are increasing at a rate of 7 ft/min. At what rate is the surface area changing when the edges are 22 ft long?


A) 294 ft2/min
B) 1848 ft2/min
C) 924 ft2/min
D) 6468 ft2/min
E) 154 ft2/min

Correct Answer:

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