Question: Suppose that a1, a2, c, an is an arithmetic sequence. Is b1, b2, c, bn an arithmetic sequence if: a) bn = |an |? [8.2]

Suppose that a1, a2, c, an is an arithmetic sequence. Is b1, b2, c, bn an arithmetic sequence if:
a) bn = |an |? [8.2]
b) bn = an + 8? [8.2]
c) bn = 7an? [8.2]
d) bn = 1 / an ? [8.2]
e) bn = log an? [8.2]
f) bn = a3n? [8.2]

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