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Given the geometric sequence where a1 = 2 and the common ratio is 8, what is the domain for n?

A. All integers

B. All integers where n ≥ 1

C. All integers where n ≥ 0

D. All integers where n ≥ −1

Respuesta :

Answer:

B. All integers where n ≥ 1

Step-by-step explanation:

We are given the geometric sequence where a1 = 2 and the common ratio is 8.

Where a1 is the first term.

we have to find the domain for n.

The general formula for the geometric sequence is:

  [tex]an=a1\times r^{n-1}[/tex]

Clearly, n can take any integer value n≥1

Hence, the correct option is:

B. All integers where n ≥ 1

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