Krauserece301bonus1 - Rhea

Question 1:

linear system: y = x₁(2t) + x₁(t)

nonlinear: y = (x(t)) • (x(t-1))

causal: y = e^t+5x(t-1)

noncausal: y = e^t-5x(t+1)

with memory: y = (x[n-5])^3

memoryless: y = (x[n]) ^ 3

invertible: y(t) = (x(t)) ^ t

uninvertible: y(t) = (sum) k=0 -> 5 kx[n]

stable: y[n] = x[n] ^ x[n]

y[n] = n^2x[n-1]

time variying: y[n] = (n^.5)x[x+1] - 3

time invariant: y[n] = 18x[n+1] - 1047(x[n])^2

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