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Re: Functions need Help
Posted:
Apr 9, 2012 6:31 PM


May I ask you a few questions;
Are you a student in a high school or in a university ?
Where did you get this math. problem ?
Do you have an opportunity to address your math. questions (and, in particular, the question you have asked) to your math. teacher ?
Good luck
On Apr 5, 2012, at 7:50 AM, butters1 wrote:
> Let f : A ? B be a function, with S, T ? A. Show that f[S] ? f > [T] ? f[S ? T]. Give an example where equality fails. > > I dont understand how to start this.



