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Which formula can be used to describe the sequence below? 27, 9, 3, 1, 1/3, ....... a. an = -3a_n-1:a_1 = 27 b. an = 1/3a_n-1:a_1 = 27 c. an = a_n-1 -3:a_1 = 27 d. an = 3a_n-1 -1…

Which formula can be used to describe the sequence below? 27, 9, 3, 1, 1/3, ....... a. an = -3a_n-1:a_1 = 27 b. an = 1/3a_n-1:a_1 = 27 c. an = a_n-1 -3:a_1 = 27 d. an = 3a_n-1 -1…
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Which formula can be used to describe the sequence below? 27, 9, 3, 1, 1/3, .......

a. an = -3a_n-1:a_1 = 27

b. an = 1/3a_n-1:a_1 = 27

c. an = a_n-1 -3:a_1 = 27

d. an = 3a_n-1 -1/3:a_1 = 27

User Kokeksibir
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1 Answer

3 votes

Answer:

The correct answer is a.


a(n) = 27( - { (1)/(3) )}^(n - 1)

User Keeva
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