What is f(6)? f(1) = 10, f(n) = f(n-1) + 3
F(1)=10,f(6)=?,f(n)=f(n-1)+3
This is an arithmetic sequence written with recursive form.
d=3, a1=10 an= 10+(n-1)(3)
=3n+7
f(6)=3(6)+7=25
