## Question: Q4) Explain why in each case below: explanation carries half of t

Q4) Explain why in each case below: explanation carries half of the weight of the question a) Is this system memory or memoryless? y(t) = x²(t) b) Is this system invertible or noninvertible? y(t) = 2.0(t) c) Is this system causal or not causal? n y[n] = a[k] k=-00 EXPERT ANSWER