Question 3 (a) Sketch the graph of the function 1, t<1 f(t)= 2, 1st<2 14, t> 2 (b) Show that f(t)=U(t)+U(t-1) +20(t-2) w

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Question 3 A Sketch The Graph Of The Function 1 T 1 F T 2 1st 2 14 T 2 B Show That F T U T U T 1 20 T 2 W 1 (20.44 KiB) Viewed 77 times

Question 3 (a) Sketch the graph of the function 1, t<1 f(t)= 2, 1st<2 14, t> 2 (b) Show that f(t)=U(t)+U(t-1) +20(t-2) where U(t-1) and U(t-2) are step functions. (c) Hence, determine L{f(t)}.