Question

What is f(5)? Given f(n+1)=f(n)-2 , f(1)=18

Answer 1

F(5)= 10

Explanation:

f(2)=f(1)-2

= 18-2

f(2)=16

f(3) = f(2)-2

=16-2

f(3)=14

f(4)=f(3)-2

=14-2

f(4)=12

f(5)=f(4)-2

=12-2

f(5)=10