Respuesta :

f(1)=6
f(n)=-1/2f(n)-1

-1/2*6-1=-4
-1/2*-4-1=-3
-1/2*-3-1=-1/2
-1/2*-1/2-1=-3/4
-1/2*-3/4-1=-5/8

Hope this helps! Any questions please ask!! Thanks!