Of course I can, it's not that hard. I don't get why you are asking me to do it, but I'll do it anyways.then prove it, show where the errors are, its not that hard.
oh wait, you cant, and more then likely wont, and probably never will
Here you go. If you don't understand how that graph is impossible to be correct, ask someone that understands voltage curves. He will explain it to you.
Regarding HUB
Too bored to explain how this is wrong, but if you don't get it just ask and ill explain.