1 Find F(s) if f(t) = (a)(t-3);(b)4t u(t-3); (c)4 cos to(t-3). 2 Obtain partial-fraction expansions for each of the following rational functions, and find the corresponding time functions:
Section 1 The Process of Respiration and Respiratory Organs Section 2 Pulmonary Ventilation Section3 Gas Exchange and Transport Section 4 Regulation of respiratory movement