A system is characterized by the input-output relation y(t) = x (2t) + – McqOptions

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1.	A system is characterized by the input-output relation y(t) = x (2t) + x (3t) for all t, where y(t) is the output and x(t) is the input. It is
A.	linear and causal
B.	linear and non-causal
C.	non-linear and causal
D.	non-linear non-causal
Answer» C. non-linear and causal

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