Divide.
A. 3y2 - 2y + 1
B. 3y2 + 2y - 1
C. 3y2 - 1
D. 3y2 + 2y
Answer: B
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Find the work done by a force F= i+5j+7k that moves an object from the point (1,0,3) to the point (5,3,8) along a straight line. The distance is measured in meters and the force in newtons.
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Plot the given points in a three-dimensional coordinate system.
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The general term of a sequence is given. Determine whether the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic, find the common difference; if it is geometric, find the common ratio.an = 3n
A. geometric, r = 4 B. geometric, r = 3 C. arithmetic, d = 3 D. neither
Express the vector x as a linear combination of the u's.u1 = 
, u2 = 
, x = 
A. x = 4u1 - 2u2 B. x = -4u1 - 2u2 C. x = 4u1 + 2u2 D. x = 2u1 + 4u2