Find the limit of the sequence if it converges; otherwise indicate divergence.an = 
A. 
B. -25
C. 1
D. Diverges
Answer: A
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Factor completely.x2 - x - 45
A. (x - 5)(x + 9) B. cannot be factored C. (x + 5)(x - 9) D. (x - 45)(x + 1)
A study on worldwide oil use was prepared for a major oil company. The study predicted that the amount of oil used to fuel productivity in a certain country is given by
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where f (t) denotes the number of barrels per $1,000 of economic output and t is measured in decades (
corresponds to 1965). Compute f '(0) and f ?'(2).
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Round the answer to the nearest hundredth.
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A. 
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B. ?
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C. ?
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D. ?
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E. ?
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Find the unknowns on the right side of the partial fraction decomposition.
= 
+ 
A. A = 
, B = - 
B. A = 
, B = 
C. A = - 
, B = - 
D. A = - 
, B = 
Find the center and the radius of the circle.(x + 3)2 + (y - 1)2 = 9
A. (-3, 1), r = 3 B. (3, -1), r = 9 C. (-1, 3), r = 9 D. (1, -3), r = 3