Answer:
the last one my brother helped me answer this for u
Answer:
for what tho lol
Step-by-step explanation:
F(4)=(4-1)+2*4=11...
This seems a bit too easy though, did you mean f(n)=f(n-1)+2n ? In this case :
f(1)=16
f(2)=16+2*2=20
f(3)=20+2*3=26
f(4)=26+2*4=34
9hours x 60minutes = 540 minutes
(Presuming he actually sat and read the whole time)