Find the limit of the sequence if it converges; otherwise indicate divergence.an = (-1)n 
A. 0
B. ±6
C. 6
D. Diverges
Answer: A
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Find two paths of approach from which one can conclude that the function has no limit as (x, y) approaches (0, 0).f(x, y) = 
What will be an ideal response?
Find the value of x.f(x) = 
x; f(x) = 216
A. -4 B. -3 C. 3 D. 4
Solve the problem.The population size of a culture of bacteria triples every day such that its size is modeled by the sequence 
where n is the number of the day just beginning. Find the size of the culture at the beginning of the third day and the size of the culture originally.
A. 540 bacteria; 20 bacteria originally B. 540 bacteria; 60 bacteria originally C. 1620 bacteria; 180 bacteria originally D. 1620 bacteria; 60 bacteria originally
Find the prime factorization of each composite number. Use exponents to show any repeated prime factors.814
A. 2 ? 11 ? 37 B. 22 ? 37 C. 22 ? 37 D. 112 ? 37