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

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