Please answer any of which you know Thanks Evaluate: Show a composite sketch for

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Please answer any of which you know Thanks

Evaluate: Show a composite sketch for x(t) = 2tu(t) - 2(t-3)u(t-3) - 6u(t-7). If a DT LTI system is described by y[n] = 2x[n] - 0.5x[n-2], what is the impulse response of the system? The impulse response of a LTI DT system is given by h[n] = 2 delta [n] - 3 delta [n-l] + 4 delta [n-2]. Is this an FIR or IIR system? Is the system BIBO-stable? What is the response of the system to x[n] = 2 delta [n] - delta [n-3]? The impulse response of a LTI DT system is given by h[n] = (-0.2)n u[n]. Is the system causal? Explain. Is the system BIBO-stable? Explain. What is the response of the system to the input x[n] = u[n] - u[n-6]? The system function of a DT LTI system is given by H(ej Ohm = 1 - e-j Ohm. What is the steady-state response of the system to x[n] = 4 + cos npi? The impulse response of a DT LTI system is given by h[n] = delta [n] + delta [n-1]. What is the frequency response of the system? Show the magnitude and phase response terms. Do not leave in complex form. A DT system is described by the difference equation, y[n] + 3y[n-1] - y[n-2] = x[n]. What is the characteristic equation of the system? If x[n] = 6, what is the particular solution of the system?

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