Question

A sequence is defined by the recursive formula f (n + 1) = f(n) – 2. If f(1) = 18, what is f(5)?

Answer 1

Answer: it’s 10

Explanation:

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Answer 2

I hope this helps you


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


f (2)= 18-2=16


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


f (3)=16-2=14


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


f (4)=14-2=12


f (4+1)= f (4)-2


f (5)=12-2=10