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				| 1. | What_is_the_inverse_z-transform_of_X(z)=_1/(1-1.5z-1+0.5z-2_)_if_ROC_is_|z| | 
| A. | [-2+0.5<sup>n</sup>]u(n) | 
| B. | [-2+0.5<sup>n</sup>]u(-n-1) | 
| C. | [-2-0.5<sup>n</sup>]u(-n-1) | 
| Answer» D. | |