PLEASE HELP 30 PTS Which statement describes ?

The series diverges because it has a sum of 1.
The series converges because it has a sum of 1.
The series converges because it has a sum of 4.
The series diverges because it does not have a sum.

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?