Math Planet
Math Planet: Algebra 2: Polynomial Functions: Composition of Functions
Provides examples and a video lesson that illustrate the composition of functions. [1:44]
Khan Academy
Khan Academy: Algebra Ii: Functions: Model With Composite Functions
Given two basic functions that model a real-world situation, compose them in order to model a more complex situation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Algebra I: Exponential vs. Linear Growth Over Time
Practice analyzing the end behavior of two functions that model similar real-world relationships, where one function is exponential and the other is polynomial. Students receive immediate feedback and have the opportunity to try...
Khan Academy
Khan Academy: Algebra I: Evaluate Piecewise Functions
Given the formula of a piecewise function, evaluate it for a specific input. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Algebra I: Explicit Formulas for Geometric Sequences
Solve problems such as: The first four terms in a geometric sequence are 1/3, 1, 3, and 9. Find an explicit formula for the sequence. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...
Khan Academy
Khan Academy: Solve Quadratics by Factoring
Solve quadratic equations of the form ax^2+bx+c=0 that can be rewritten according to their linear factors. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.