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
Answer: C
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Decide whether or not the events are mutually exclusive.Events A and B defined as followsEvent A is that at least three of Toni's five cousins are female. Event B is that at least three of Toni's five cousins are male.
A. No B. Yes
Find the vertex, axis of symmetry, and y-intercept of the parabola that has the given focus and directrix.Focus 
, directrix y = 
A. 
, x = - 
, 
B. 
, y = 4, (0, 4)
C. 
, x = - 
, 
D. (-6, 4), x = - 
, (0, 40)
Test the vector field F to determine if it is conservative.F = 
i + 
j - 
k
A. Not conservative B. Conservative
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = - 
, 
< ? < 2?Find sin 
.
A. - 
B. - 
C. 
D. 