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12) Which of the following Laplace transforms correctly represent respectively, a ramp input and a step input, each of size K units? K K a. b. C. 1 + ST CASAS - K d. Ki KISKIS - b) lim sF(s) 40 - 13) Which one of the following options correctly defines the steady-state value of the function F(s) a) Lim sF(s) S a. 0 b. K/T C. K d. 00 c) s[lim F(s)] 40 d) Both statemetns b and care correct 14) An expression has a Laplace transform F(s) = K/s. Which one of the following statements correctly describes the function represented by this Laplace transform? a. a ramp input of slope K b. the response of a unity-gain first-order system to an input step of size K c. the response of a unity-gain first-order system to an input ramp of slope K d. a step input of size K K 15) F(s) = 4 s(1+57) For the function F(s). shown above, which one of the following options is the correct steady-state value?