Question
Which of the following statements is true for the sequence with general term a sub n equals the quotient of the product of the quantities n plus 2 and the quantity n plus 4 and n raised to the 4th power , for n = 1, 2, 3…? (10 points)
A) It is decreasing.
B) It is not monotonic.
C) It is divergent.
D) It is bounded above but not bounded below.
A) It is decreasing.
B) It is not monotonic.
C) It is divergent.
D) It is bounded above but not bounded below.
Answers
use the ratio test. If a_(n+1)/a_n < 1 it converges, since all the terms are positive. Also review the ratio test.
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