Matlab help please

[jackalsniper]

the question goes like this:
http://i279.photobucket.com/albums/kk131/jackalv2/1.jpg

the first part asks to utilize simulink to obtain the graph pattern:
http://i279.photobucket.com/albums/kk131/jackalv2/Q3Matlabpt2.jpg

http://i279.photobucket.com/albums/kk131/jackalv2/Q3Matlab.jpg

the second part requires us to make use of laplace transform and inverse laplace transform to solve the initial value problem:
http://i279.photobucket.com/albums/kk131/jackalv2/2.jpg

the third part asks us to compare both the results and comment, but how do i compare them

i'm not sure if the images could display or not, sorry
let me know if the images don't display, thanks

[jackalsniper]

bump, visible image now

[trambolin]

Compare means plot the second part's solution and compare it with the previous plot. And your solution does not seem correct with looking at it 0.5 seconds. So i didn't check.