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7-103.

Examine each sequence below. State whether it is arithmetic, geometric, or neither. For the sequences that are arithmetic, write a formula for . For the sequences that are geometric, determine the common ratio.

  1. The sequence is neither arithmetic nor geometric.

  1. The sequence is geometric.

  1. Do the terms in the sequence increase by adding a constant amount or multiplying by a constant?

  1. See part (d).

    The sequence is arithmetic.

  1. See part (d).