Cool Math
Coolmath: Functions Domain and Range
This algebra lesson explains to find the domain and range of a function by looking at the graph.
Cool Math
Coolmath: Finding the Domain Without the Graph
A tutorial explaining how to find the domain without the graph.
Cool Math
Coolmath: Functions Messier Notation
This algebra lesson explains how to find deal with messier function notation to get you ready for the notation in the difference quotient.
Cool Math
Coolmath: Advanced Graphing Absolute Value Functions
This algebra lesson explains how to graph absolute value functions.
Cool Math
Coolmath: Advanced Graphing Piecewise Functions
This algebra lesson explains how to graph piecewise defined functions.
Khan Academy
Khan Academy: Recognizing Functions From Graphs
In this exercise, students practice recognizing functions from graphs. Students receive immediate feedback and have the opportunity to watch a video, get hints, or try questions repeatedly.
Khan Academy
Khan Academy: Recognizing Functions From Tables
In this exercise, students practice recognizing functions from tables. Students receive immediate feedback and have the opportunity to watch a video, get hints, or try questions repeatedly.
Illustrative Mathematics
Illustrative Mathematics: F if the Customers
This is a beginning lesson plan on the concept of functions. The context is a business that has a database of customer names and phone numbers in a table and students must decide if a function is involved. Aligns with F-IF.A.1 and 8.F.A.1.
Illustrative Mathematics
Illustrative Mathematics: 8.f Foxes and Rabbits
In this problem about the predator-prey relationship between the fox and rabbit populations, 8th graders are asked to identify and explain any functions that they see. Aligns with 8.F.A.1.
Illustrative Mathematics
Illustrative Mathematics: 8.f Function Rules
Four tables showing different types of input and output values are presented and students are asked to describe function rules for them and fill in any missing values. Aligns with 8.F.A.1.
Illustrative Mathematics
Illustrative Mathematics: 8.f Us Garbage, Version 1
Eighth graders work with input values (the year) and output values (the amount of garbage that year) in a table about the garbage produced in the US. They study the table to answer specific questions, state whether it represents a linear...
Concord Consortium
Concord Consortium: Inverses of Functions
Learn how to graph the inverse of a series of discrete and continuous. Also learn how to determine whether the inverse of a function is also a function.
Khan Academy
Khan Academy: Evaluate Functions
Evaluate functions for specific inputs given the formula of the function. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Purple Math
Purplemath: Practical Algebra Lessons
Pre-algebra and algebra lessons, from negative numbers through pre-calculus. Grouped by level of study. Lessons are practical in nature informal in tone, and contain many worked examples and warnings about problem areas and probable...
Purple Math
Purplemath: Practical Algebra Lessons
Pre-Algebra and algebra lessons, from negative numbers through Pre-Calculus. Grouped by level of study. Lessons are practical in nature, informal in tone, and contain many worked examples and warnings about problem areas and probable...
Interactive Mathematics
Interactive Mathematics: Introduction to Functions
Everything you need to know to begin working with functions is presented in this lesson. Learn the definition, notation, and use of functions then practice evaluating with the examples provided.
Interactive Mathematics
Interactive Mathematics: Domain and Range of a Function
The definitions of domain and range are given in this lesson. Then use the examples to practice determining domain and range of several functions. Real-world applications are provided to enhance the concept.
CK-12 Foundation
Ck 12: Algebra: Vertical Line Test
[Free Registration/Login may be required to access all resource tools.] Learn how to determine whether or not a relation is a function.
CK-12 Foundation
Ck 12: Algebra: Graphs of Rational Functions
[Free Registration/Login may be required to access all resource tools.] Learn about the shapes and characteristics of graphs of rational functions. Students examine guided notes, review guided practice, watch instructional videos and...
CK-12 Foundation
Ck 12: Algebra: Function Notation and Linear Functions
[Free Registration/Login may be required to access all resource tools.] Here you'll learn how to convert an equation to function notation and how to input a value into a function in order to get an output value.
CK-12 Foundation
Ck 12: Algebra: Function Notation
[Free Registration/Login may be required to access all resource tools.] This concept introduces function notation. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
CK-12 Foundation
Ck 12: Algebra: Function Notation
[Free Registration/Login may be required to access all resource tools.] This concept introduces function notation. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.