Consider the following statements regarding a linear discrete-time system
H(z) = (z2 + 1)/[(z + 0.5) (z – 0.5)]
A. The system is stable
B. The initial value h(0) of the impulse response is -4
C. The steady-state value of the impulse response is zero.
Which of these statements is/are correct?
1
A, B and C
2
A and B
3
A and C
4
B and C