The system function of an LTI system has the pole–zero plot shown in Figure P5.11 Specif...

The system function of an LTI system has the pole–zero plot shown in Figure P5.11 Specify whether each of the following statements is true, is false, or cannot be determined from the information given.

(a) The system is stable.

(b) The system is causal.

(c) If the system is causal, then it must be stable.

(d) If the system is stable, then it must have a two-sided impulse response.