Find the period.y = -4 cos
A. 6?
B. 4?
C. 
D. 3?
Answer: A
Mathematics
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Solve the problem. Round your answer, if appropriate.Water is discharged from a pipeline at a velocity v (in ft/sec) given by 
where p is the pressure (in psi). If the water pressure is changing at a rate of 
find the acceleration (dv/dt) of the water when 
A. 62.5 ft/sec2 B. 116 ft/sec2 C. 19.3 ft/sec2 D. 1040 ft/sec2
Mathematics
Integrate the function.
A. 
ln 
B. e3/2
C. ln 
D. 
ln 
Mathematics
Write a fraction to represent the shaded part of the object.
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.If one pulley is 8 inches bigger in diameter than another and they are connected by a belt, how big are the pulleys if the smaller pulley turns at 120 rpm and the larger turns at 40 rpm?
Fill in the blank(s) with the appropriate word(s).
Mathematics