Solve the problem.The volume of water added to a circular drum of radius r is given by 
, where 
is volume in cu ft and t is time in sec. Find the depth of water in a drum of radius 3 ft after adding water for 4 sec. (Round result to one decimal place.)
A. 1.4 ft
B. 0.7 ft
C. 0.8 ft
D. 2.2 ft
Answer: B
Mathematics
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Find the limit.
A. ?
B. 
C. - 
D. 0
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Determine the phase shift of the function.y = 
sin (5x + ?)
A. 
B. -?
C. - 
D. 
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Determine whether the equation defines y as a function of x.x2 + y = 25
A. y is a function of x B. y is not a function of x
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Convert to rectangular coordinates.
A. (6
, -6
)
B. (6
, 6
)
C. (-6
, 6
)
D. (-6
, -6
)
Mathematics