LINEAR TIME-INVARIANT SYSTEMS [CHAP. 2
(4
Fig. 2-14
(b)
Fig. 2-15
2.11. Consider a continuous-time LTI system described by (see Prob. 1.56)
(a) Find and sketch the impulse response h(t) of the system.
(b) Is this system causal?
(a) Equation (2.72) can be rewritten as