Answer Happy

Hi I need help solving this problem: plot grafs for the functions below and use analysis equation to find Fourier transforms. = = 1. f(t) = e-atu(t), hvor a > 0. 2. f(t) = e-altl, hvor a > 0. 3. f(t) = e-at cos(wot)u(t), hvor a > 0. 4. f(t) = e-aſtlcos(wot), hvor a > 0. = thanks