For each sequence below i state whether the sequence is arit

For each sequence below: i.) state whether the sequence is arithmetic, geometric, or neither; ii.) identify a, d (if it\'s an arithmetic series or a, r (if it\'s a geometric series) iii.) write the formula for the nth term for the specific sequence; i.) arithmetic, geometric, or neither? ii.) a, d or a, r = iii.) an = i.) arithmetic, geometric, or neither? ii.) a, d or a, r = iii.) a_n =

Solution

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Sequence 1

Clearly the given sequence is an arithmetic progression since the value is depreciating by fixed value

First term = 3

Common difference = -2

General term for nth number = a + (n-1)d

An = 3 + (n-1)(-2)

An = -2n + 5

Solution

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