3 years ago

Please help me!! I really appreciate it thank you!

Mathematics

1 answer:

alexgriva [62]3 years ago

6 0

Step-by-step explanation:

Given sequence is: 8, 16, 32, 64, 128

Here, a = 8

$r = \frac{16}{8} = \frac{32}{16} = \frac{64}{32} = \frac{128}{64} = 2 \\ \because \: f(n) = ar^{n - 1} \\ \therefore \: f(n) = 8(2)^{n - 1} \\ where \: n = \{1, \: 2, \: 3, \: 4, \: 5 \}$

Hence, option B is the correct answer.

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