 
			 
			MCQOPTIONS
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				| 1. | If x(t-5)=0 for t<5 = A for t>=5, the signal is ___________ | 
| A. | Causal | 
| B. | Symmetric | 
| C. | Linear, Time Invariant and Causal | 
| D. | Cannot be determined | 
| Answer» B. Symmetric | |