Asequence is defined by the recursive function f(n + 1) = f(n) – 2. if f(1) = 10, what is f(3)? 1 6 8 30

Answer : 6

A sequence is defined by the recursive function f(n + 1) = f(n) – 2.

f(1) = 10, f(3) = ?

Before finding f(3) we need to find f(2) because we are using recursive formula. also f(1) = 10 is given.

f(n + 1) = f(n) – 2, f(1) = 10

f(2) = f(1) - 2  (plug in 10 for f(1))

f(2) = 10 -2 =8, so f(2) =8

f(3) = f(2) -2 = 8 - 2 = 6

So f(3) = 6

The value of f(3) = 6

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step-by-step explanation:

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