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B-14.

For parts (a) and (b), find a recursive equation in form for each sequence. (For a reminder about form see the Math Notes box in Lesson A.3.2.) For parts (c) and (d) find an explicit equation for each sequence.

  1. What is ? How are the terms changing?

  1. First find the generator for the sequence.

  1. Is the sequence arithmetic or geometric?

  1. Is the sequence arithmetic or geometric?