[Discrete Mathematics] Functions Examples

preview_player
Показать описание
In this video we look at the range of some functions and determine if they are injective.

LIKE AND SHARE THE VIDEO IF IT HELPED!

*--Playlists--*

*--Recommended Textbooks--*

Hello, welcome to TheTrevTutor. I'm here to help you learn your college courses in an easy, efficient manner. If you like what you see, feel free to subscribe and follow me for updates. If you have any questions, leave them below. I try to answer as many questions as possible. If something isn't quite clear or needs more explanation, I can easily make additional videos to satisfy your need for knowledge and understanding.
Рекомендации по теме
Комментарии
Автор

If anyone is confused, I'm almost sure he mixed 0 with 3 in the last example, just assume he wrote 3 instead of 0 if you're confused.

sinansenocak
Автор

Why is the codomain zero for the last example?

ThethProgrammer
Автор

Why didn’t u use the the contrapositive method x=y method in (b). Now I’m stuck and confused. Like how to know when to use what

asyarizainol
Автор

If f maps A to B, how come f(A1) can be anything but {0}?

TheOleYeller
Автор

Does injective mean total or partial function?

kimhuynh
Автор

what about dom(f)? please cover that and rand(f) what is that ? how do we find these ?

thenetworkguru