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The Lengths of the Edges of a Cube Are Increasing

Question 25

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 11 ft long?

A) 588 ft²/min
B) 924 ft²/min
C) 1,452 ft²/min
D) 294 ft²/min
E) 3,234 ft²/min

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