Скачать или смотреть Show that f and g are inverse functions

Show that f and g are inverse functions

Today we're going to be talking about a specific kind of problem where the problem tells you there's a function f and a function g, and you have to show that those two functions are inverses of each other. If that's something that you want a little help on or just want to see an example of how you would actually prove that, this is the video for you. I'm going to show you exactly how to do this type of problem step by step and explain it in a way that will help you when you have to go do this on other examples. So, if that sounds good to you be sure to stick around to the end of the video so you can see all the tips and tricks you're going to need to solve this type of problem on your own.

The problem is
Show that f and g are inverse functions
(a) algebraically
(b) graphically
f(x) = 3-4x
g(x) = (3-x)/4

Chapters
0:00 Introduction
0:48 The problem
1:44 Solving algebraically
5:40 Algebraically proved
5:51 Solving graphically
12:01 Shown graphically
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