Asequence is defined by the recursive formula f(n+1)=f(n)-2. if f(1)=18, what is f(5)?

Step-by-step explanation:

A sequence is defined by the recursive formula

If then

for

for

for

for

well there are two answers for that.

1: you need 120 ones then that will equal up to 120.

2: you could also do one 100 and 2 tens.

those are the answers that i have thought of.