help finding the mistakes in this solid of revolution video.

Question

anonymous · Answer

anonymous · Answer

there;s 2 mistakes, any help is greatly appreciated. thanks.

anonymous · Answer

Looks like a cool video :O, too bad it has problems, I'll see if I can find something wrong :X.

anonymous · Answer

So is there a certain part of the video we have to look at...or what?

anonymous · Answer

i think the duck.. it is not three dim

anonymous · Answer

yeah i would appreciate it.  and no, i can't seem to find anything wrong with it myself.

anonymous · Answer

??

anonymous · Answer

Is this part of school and your teacher said something is wrong with it?

anonymous · Answer

yeah, my professor said there were two mistakes and if i find them, i get extra credit.

anonymous · Answer

Mhm that's interesting, I'm guessing it could be in the examples.

anonymous · Answer

please....

anonymous · Answer

chicken

anonymous · Answer

pipe down, troll.

anonymous · Answer

I think the discs and washer method they used, they showed an example of a washer but are using the disc formula to do it...?

anonymous · Answer

and they graphed y = x^4 wrong, should be a parabola, they actually showed y=x^3, @salparadise64

anonymous · Answer

^ for shell method example

anonymous · Answer

thanks man!

anonymous · Answer

Your welcome, I hope it's correct :)