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  3. 4 lti systems for each system determine if the system...

Question: 4 lti systems for each system determine if the system...

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4. LTI Systems For each system, determine if the system is LTI. (A brief justification is sufficient; a formal proof is not required.) (a) From enzyme kinetics: y[n] = 0.2(1-y[n-1])r[n]-0.25x[n-1] (b) From Dow-Jones 30-day moving average financial data: 29 30 k-0 (c) From acoustic reverberation:

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