Pre-Calculus - Find the Inverse of a Function

[TenshinhanIsKing]

Teachers suck these days if they can't teach something in a semester or year what I just learned in two minutes

[chewycarrot]

You explained an hour of what my teacher tried to teach me in 2 min. Congrats, come apply at my school to be a teacher please. xD

[LifeisMagica]

Thank you for the awesome video without complicating things!

[ashleyc]

I didn't get anything I suck at math

[madden]

THIS EXPLAINED THE WHOLE UNIT IN 2 MINUTES AND 30 SECONDS LMAO WOW

[TBreakk]

It's more for critical thinking than to apply to a life scenario. If you don't need to critically think in life then you do not need this.

[Spartan]

wow i actually learned something from a 2 minute video why cant my teacher teach this good

[liamahearn]

why not just divide by x when you have (y+7)x=4?

[sazinfly]

YOU ARE GREAT THANK YOU LORD JESUS CHRIST.

[fdottt]

Mathamatics makes you smarter, that's why we do this stuff. i think.

[IamDexter]

if you want to be a math teacher i guess

[adamkhalfi]

or the answer could be f-1(x)=4-7x over x

[salomegoureau]

could the answer also be f-1(x)=4-7x over x? thanks