Write a quadratic equation having the given numbers as solutions.2i, -2i
A. x2 - 4ix + 4 = 0
B. x2 - 4 = 0
C. x2 + 4 = 0
D. x2 + 4i = 0
Answer: C
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Find the volume of the solid generated by revolving the region about the given line.The region in the first quadrant bounded above by the line y = 2, below by the line y = 
, and on the left by the y-axis, about the line y = 2
A. 
?
B. 
?
C. 
?
D. 
?
Find the acceleration of an object for which the displacement s (in m) is given as a function of the time t (in s) for the given value of t.s = 
, t = 3 s
A. 
ft/s2
B. - 
ft/s2
C. - 
ft/s2
D. 
ft/s2
Provide an appropriate response.Find a cofunction equivalent to tan 
.
A. csc 
B. tan 
C. cot 
D. cot 
Solve the system of equations.x2 - 3y2 = 14x2 + 3y2 = 19
A. (2, 1) and (-2, -1) B. (1, 2), (-1, 2), (1, -2), (-1, -2) C. (2, 1), (2, -1), (-2, 1), (-2, -1) D. (-1, 2) and (1, -2)