Multiple Choice
A water tank has the shape of a right circular cone with height 18 feet and radius 14 feet. Water is running into the tank so that the radius r (in feet) of the surface of the water is given by where t is the time (in minutes) that the water has been running. The volume V of the water is given by
Find
and use it to determine the volume of the water when
minutes. Round to the nearest tenth.
A) 150.8 cubic feet
B) 193.9 cubic feet
C) 938.3 cubic feet
D) 2326.6 cubic feet
E) 1407.4 cubic feet
Correct Answer:

Verified
Correct Answer:
Verified
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