What is the one sided z-transform X+(z) of the signal x(n)={1,2,5,7,0,

1.	What is the one sided z-transform X+(z) of the signal x(n)={1,2,5,7,0,1}?
A.	z<sup>2</sup>+2z+5+7z<sup>-1</sup>+z<sup>-3</sup>
B.	5+7z+z<sup>3</sup>
C.	z<sup>-2</sup>+2z<sup>-1</sup>+5+7z+z<sup>3</sup>
D.	5+7z<sup>-1</sup>+z<sup>-3</sup>
Answer» E.

Discussion