A sequence is defined by the recursive function f (n + 1) = f (n) - 2. If f (1) = 10, what is f (3) ? 1 6 8 30

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Mathematics

Serenity

21 June, 09:10

A sequence is defined by the recursive function f (n + 1) = f (n) - 2. If f (1) = 10, what is f (3) ? 1 6 8 30

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Leon Callahan · Answer 1

The value of f (3) would be 6.

Using our formula, we know that f (1) = 10, and f (2) = f (1) - 2 = 10-2 = 8. That means that f (3) = f (2) - 2 = 8 - 2 = 6.