919 For the following waveform: f t = 500 + 100e500t t cos 1000t u

9–19 For the following waveform:

f t ð Þ= 500 + 100e−500t 

t cos 1000t u t ð Þ

(a) Find the Laplace transform of the waveform. Locate the poles and zeros of FðsÞ.

(b) Validate your result using MATLAB.