Question

F(1) = 1
f(2) = 2
f(n) = f(n − 2) + f(n - 1)
f(3) =?

Answer 1

3

Explanation:

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Answer 2

3

Explanation:

To find f(3) we just need to plug in 3 wherever we see an n

f(3) = f(3 - 2) + f(3 - 1)

f(3) = f(1) + f(2)

Since f(1) and f(2) are given, we can plug in the respective values

f(3) = f(1) + f(2) → f(3) = 1 + 2 = 3