## Functions 10 - Inverse of a Function

Functions 10 - Inverse of a Function
• Currently 4.0/5 Stars.
8287 views, 1 rating - 00:10:37
Part of video series Relations and Functions
Taught by YourMathGal

### Meets NCTM Standards:

More free YouTube videos by Julie Harland are organized at http://yourmathgal.com
Defines the inverse of a function, an inverse function, and shows how to find the inverse of 1-1 functions.
• What is the definition of the inverse of a function?
• How do you find the inverse of a function?
• How do you find the inverse of the function f = {(5, 3), (-1, 0), (4, 2)}?
• How do you find the inverse of the function g = {(4, 1), (3, 1), (0, 1)}?
• How do you find the inverse of the function f(x) = 3x - 4?
• What does f^-1 mean if f is a function?
• If f is a 1-1 function where f(-2) = 3 and f(1) = 4, what are two ordered pairs that belong to the inverse of f?
• What are the steps for finding the inverse of a function?
• How do you solve for y after you swap x and y in a function to find the inverse?
• What do the graphs of a function and its inverse look like?
This lesson explains what the inverse of a function is, what it means to find the inverse of a function, and shows some examples of finding the inverse of some various functions. All steps involved are shown and explained clearly. This is a great tutorial on inverses of functions.
• Currently 4.0/5 Stars.
Reviewed by MathVids Staff on July 11, 2010.