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1 vote
H(1) = -17
h(n) = h(n
1) - 0.2
Find an explicit formula for h(n).
h(n)

1 Answer

2 votes

h(n) = -17·0.2^(n-1)

Explanation:

The explicit formula for a geometric sequence with first term a1 and common ratio r is ...

an = a1·r^(n-1)

Your sequence h has first term a1 = -17 and common ratio r = 0.2. Then the explicit formula is ...

h(n) = -17·0.2^(n-1)

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