A sequence is defined recursively using the equation f(n + 1) = f(n) – 8. If f(1) = 100, what is f(6)?

Question

i dont understand

Answer 1

f(n+1)=f(n)-8

f(6)=f(5)-8

       =f(4)-2*8

       =f(3)-3*8

       =f(2)-4*8

       =f(1)-5*8

  =100-40=60