Any help would be appreciated greatly

If f(x)=x^2

a) Sketch y=2f(1/2x)+1

b) State domain and range of the transformed graph.

For the following function y=-2cos(x-pi/2)-2

a) Sketch one complete cycle labelling all 5 major points (Make tables of values).

b) State domain and range of the cycle.

In the following geometric series..

1/2 + 1/4 + 1/8 + ..... 1/1024

a) Find a, r, n and tn

b) Find Sn

In the following arithmetic sequence

5/2 + 4 + 11/2 + .... 100

a) Find a, d, n and tn

b)Find Sn

Maria recieved an insurance settlement of $80,000 which she invested at 5.2% per annum, compounded monthly, to provide a payment each monthfor 10 years, starting next month.

a) How much will each payment be?

b)How much will Maria's insurance give her all together?

Thaaanks guys.