The system x(k) = 7(\(\frac{1}{3}\))k u(-k-1)-6(\(\frac{1}{2}\))k u( – McqOptions

MCQOPTIONS

1.	The system x(k) = 7(\(\frac{1}{3}\))k u(-k-1)-6(\(\frac{1}{2}\))k u(k) is ___________
A.	Causal
B.	Anti-causal
C.	Non-causal
D.	Cannot be determined
Answer» D.

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