The system \(x(k) = 7(\frac{1}{3})^k \,u(-k-1) – 6(\frac{1}{2})^k – 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. Cannot be determined

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