Problem: Let f(t) be piecewise continuous on 0, co) and is of exponential order o (i.e., f(t) | 0). a) Show that CO . (s) = fox F(u)du when s > 0. b) Use the result in part (a) to find c { sinht } . c) Use the result in part (a) to find C-1 841 (2s=+48+5)2