Question

how do i find the domain of an (f o g) function?

Answer 1

f(x) = x2 g(x) =√x − 3

Answer 2

how do i find the domain of that?

Answer 3

PatrickJMT explains it very well: http://youtu.be/_zy7Uro7iCg :)

Answer 4

youtu.be? lol am i that dumb?

Answer 5

It's the URL shortener for youtube videos. Click the "Share" button below any youtube video and it directs to the youtu.be domain. Article about this: http://youtube-global.blogspot.com/2009/12/make-way-for-youtube-links.html

If you prefer the long link: http://www.youtube.com/watch?v=_zy7Uro7iCg

Answer 6

In all seriousness, props for being skeptical, though! :D