Solve the problem.The volume of a rectangular box with square base and a height of 5 feet is V(x) = 5x2, where x is the length of a side of the base. Find the instantaneous rate of change of volume with respect to x when x = 3 feet.

A. 15 ft3/ft
B. 45 ft3/ft
C. 6 ft3/ft
D. 30 ft3/ft


Answer: D

Mathematics

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A. 1 - 10x +  - 
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