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Topic: Functions need Help
Replies: 3   Last Post: Apr 9, 2012 6:31 PM

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Alexander Kelmans

Posts: 3
Registered: 10/23/11
Re: Functions need Help
Posted: Apr 9, 2012 6:31 PM
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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.

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