Question

Which is a recursive formula for the sequence 99.4, 0, –99.4, –198.8, where f(1) = 99.4?

A. f(n + 1) = f(n) + 99.4, n ≥ 1
B. f(n + 1) = f(n) – 99.4, n ≥ 1
C. f(n + 1) = 99.4f(n), n ≥ 1
D. f(n + 1) = –99.4f(n), n ≥ 1

Answer 1

The answer is B

Explanation:

Edgenuity 2020

Answer 2

The answer is choice B. You subtract 99.4 from each term to generate the next term. The nth term is f(n) while the term right after that is f(n+1).