Which formula can be used to describe the sequence? -2 2/3, -5 1/3, -10 2/3, -21 1/3, -42 2/3. A: f(x + 1) = –2f(x) B: f(x + 1) = -1/2 f(x) C: f(x + 1) = 1/2 f(x) D: f(x + 1) = 2f(x)

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asked Jan 3, 2020 10.1k views

1 vote

Which formula can be used to describe the sequence?

-2 2/3, -5 1/3, -10 2/3, -21 1/3, -42 2/3.

A: f(x + 1) = –2f(x)

B: f(x + 1) = -1/2 f(x)

C: f(x + 1) = 1/2 f(x)

D: f(x + 1) = 2f(x)

Mathematics
middle-school

Theresa Forster asked

by Theresa Forster

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2 Answers

4 votes

Answer:

(D) f(x+1)=2f(x)

Explanation:

Gareth Wilson answered Jan 6, 2020

by Gareth Wilson

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6 votes

Answer:

the answer is A. f(x +1) = -2f(x)

Explanation:

every new number in the sequence is multiplied by -2, making it -2f(x).

Shadygoneinsane answered Jan 9, 2020

by Shadygoneinsane

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