The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 
for r(t) = (4 sin 2t)i - (5 cos 2t)j + (3 csc 2t)k
A. a
= -16i + 12k
B. a
= 20j + 12k
C. a
= 16i + 12k
D. a
= -16i - 12k
Answer: A
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Two marbles are drawn without replacement from a box with 3 white, 2 green, 2 red, and 1 blue marble. Find the probability.The first marble is blue and the second marble is white.
A. 
B. 
C. 
D. 
If the due diligence team turns up ____ this may signal possible unethical decisions made by the target firm.
A. logistical flaws. B. operational inefficiencies. C. accounting anomalies. D. marketing miscues.
Find the quadratic function y = f(x) that has the given vertex and whose graph passes through the given point.vertex: (-1, -5) passing through: (-2, -8)
A. y = -2x2 + 6x + 8 B. y = 3x2 + 6x - 5 C. y = -3x2 - 6x - 8 D. y = -3x2 + 1x - 5
Evaluate the iterated integral.
A. 4 ln 6
B. ln 24
C. ln 6 ? ln 4
D. 
ln 6