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QveST [7]
1 year ago
10

A(n) = A(n-1) + 5.1; A(1) = 9.6

Mathematics
1 answer:
zhenek [66]1 year ago
4 0

Answer:

A(n) = 5.1×n + 4.5

Step-by-step explanation:

A(n) = A(n-1) + 5.1

A(1) = 9.6

A(n) - A(n-1) = 5.1  ,where n ≥ 1

This means that (A(n)) is an arithmetic sequence where :

<u>The common difference</u> r = 5.1

and

<u>The first term</u> A(1) = 9.6

Therefore

A(n) = A(1) + (n - 1)×r

       = 9.6 + (n - 1)×5.1

       = 9.6 + 5.1×n - 5.1

       = 5.1×n + (9.6 - 5.1)

       = 5.1×n + 4.5

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