Khan Academy: Algebra: Functions Part 2

Notation in mathematics can be intimidating. Use this lesson to expose pupils to the various ways of representing a function and the accompanying notation. The material also addresses the importance of including a domain if necessary....

This video continues to look at evaluating functions by looking at examples of evaluating basic composite functions.

Video evaluating combinations and compositions of functions by using a function defined by its graph. Includes link to additional practice at the top of the video. [9:14]

Video showing how to solve for a function given a composition of functions and one of the functions. Also shows how the problem can be solved using the different multiple choice options. Includes link for additional practice at the top...

This video tutorial lesson [4:17] involves solving for the length of one of the legs of a right triangle using the Pythagorean theorem.

Functions are investigated in this video tutorial. Students learn how to solve functions through detailed examples. [9:53]

Functions and graphs are investigated in this video tutorial. Students learn about the algebra concepts through detailed examples. [9:12]

Functions are investigated in this video tutorial. Students learn about the algebra concept through detailed examples. [6:07]

Video determining whether a functional relationship exists between a table of data containing different people and their heights. Data from table is graphed in determining the solution. [4:40]

Sal introduces the concept of "range" of a function and gives examples for functions and their ranges. [6:38]