What is the equation of the line? see attached image*

A)y-4=1/2(x+2)
B)y-2= -3/8 (x+4)
C)y-1= 3/8 (x+4)
D) y-2= -3/8 (x+4)

Which best describes a central bank's primary goals? limiting inflation and reducing unemployment reducing unemployment and maintaining cash flow controlling stagflation and reducing unemployment managing credit and ensuring the money supply's liquidity