Instructional Video
Khan Academy

Khan Academy: Algebra: Introduction to Functions

9th - 10th Standards
Video giving a general overview of the concept of a function by discussing inputs and outputs. Shows function notation, an example of a piece-wise function and how to evaluate at certain points as well as how to evaluate a composition of...
Instructional Video
Khan Academy

Khan Academy: Connection Between Even and Odd Numbers and Functions

9th - 10th Standards
Learn about the possible reason why even functions are called "even" and odd functions are called "odd".
Instructional Video
Sophia Learning

Sophia: Application of Percent of Change

9th - 10th Standards
Here we look at how to apply percent of change in a real world situation through the use of a word problem.