Solve the problem.A pulley of radius 9 cm rotates 7 times in 64 sec. Find the angular velocity of the pulley.
A. 
radians/sec
B. 
radians/sec
C. 
radians/sec
D. 
radians/sec
Answer: D
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Solve the problem. Round your answer, if appropriate.An inverted conical water tank with a height of 12 ft and a radius of 3 ft is drained through a hole in the vertex. If the water level drops at a rate of 1 ft/min, at what rate is water (in ft3/min) draining from the tank when the water depth is 8 ft? (Hint: Use similar triangles.)
A. 
? ft3/min
B. 4? ft3/min
C. 6? ft3/min
D. 
? ft3/min
Find a formula for the function graphed.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Provide an appropriate response.Is there an identity element for the operation of division over the set of integers? Support your claim with an example.
What will be an ideal response?
Solve the problem.The weight that a horizontal beam can support varies inversely as the length of the beam. Suppose that a 10-m beam can support 270 kg. How many kilograms can a 5-m beam support?
A. 0.1852 kg B. 0.0019 kg C. 5.4 kg D. 540 kg