Free Math Help
Free Math Help: Domain and Range
The Algebra session investigates domain and range. Students learn about the concept through definitions and sample exercises with graphs.
Oregon State University
Calculus Quest: Questions on Exponential Functions
A set of exercises, complete with solutions, covering the basics of exponential functions, from the laws of exponents to exponential growth and decay.
Windstream
Ojk's Precalculus Study Page: Functions
An introduction to the basic terminology of functions, including how to use the vertical line test on the graph of a relation as a means of testing whether or not it is a function.
University of Georgia
University of Georgia: Measures of Variation
Lesson plan introduces and explains how to calculate measures of variation concepts such as range and quartile.
Richland Community College
Richland Community College: Exponential Functions and Their Graphs
The site explains exponential functions and characteristics of their graphs.
Wolfram Research
Wolfram Math World: Closed Set
Site gives four different definitions of a closed set in mathematics. Each of the definitions has at least one link for further clarification. The site also expresses which of these definitions is most commonly encountered.
Richland Community College
Richland Community College: Functions
Richland Community College gives a definition and examples of a function. Also includes steps to evaluate piecewise functions on a calculator.
Texas Instruments
Texas Instruments: Math Today Humidity Makes Air Feel Even Hotter
Students note the range of heat indexes on the overall data as well as specific humidity levels and air temperatures. They find the mean and median of the ranges and calculate apparent temperatures for specific scenarios.
Texas Instruments
Texas Instruments: Graphing the Rational Function F(x) = |X|
This LearningCheck document can be used as a self-discovery lesson. The student can explore the domain and range along with the transformations.
Texas Instruments
Texas Instruments: Logarithmic Functions
These questions test knowledge of the definition of a logarithm, domain and range of logarithmic functions, and properties of logarithms. Questions are true/false and multiple-choice; solutions are provided.
Texas Instruments
Texas Instruments: Getting Started With Ti Navigator: Exploring Linear Model
This lesson introduces students' to Activity Center. In this activity, students will explore data on Women's Olympic 400 Meter Freestyle Swimming records. Concepts of domain and range will be investigated in the context of this problem...
Texas Instruments
Texas Instruments: Graphing the Rational Function F(x)=1/x
This is designed for Algebra 2 students to help them develop an understanding of transformations, asymptotes, domain and range.
Texas Instruments
Texas Instruments: Number Patterns and Functions: Rules, Tables
Number patterns can be made with any of the operations or combination of operations. Range and domain of any function can be listed in a table. When these functions are linear, the equation can be written in slope intercept form.
Texas Instruments
Texas Instruments: Exponential Functions
These questions test knowledge of domain and range of exponential functions, properties of exponents, and population growth and compound interest modeled by exponential functions. Questions are true/false and multiple choice; solutions...
Texas Instruments
Texas Instruments: Functions
With these questions, students will demonstrate knowledge of the definition of a function as well as domain and range. Students will also be asked to find the composition of two functions. Solutions are provided.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Introduction to Functions
A good introductory tutorial on functions, through which you'll learn about relations, function, domain, and range by viewing several example questions and solutions, and by completing practice problems.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra: Introduction to Functions
This introductory tutorial on functions offers important definitions, examples of functions, and practice exercises for you to complete and check.
Northeast Parallel Architectures Center, Syracuse University
Npac Reu Program: Piece Wise Function Definitions
Northeast Parallel Architecture Center of Syracuse University provides a quick overview of piece-wise functions, with a concentration on examples.
Northeast Parallel Architectures Center, Syracuse University
Npac Reu Program: Functions and Graphs
This site from the Northeast Parallel Architectures Center, Syracuse University contains a college level treatment of functions and graphs. Function, element, domain, range, piece-wise functions?? Stuff you know, stuff that's new. Very...
Northeast Parallel Architectures Center, Syracuse University
Npac Reu Program: Functions
Northeast Parallel Architecture Center, Syracuse University, provides a quick overview of the definition of function, as well as the role of domain and range.
Beacon Learning Center
Beacon Learning Center: All That Data 2
Students describe graphs and explore range, measures of central tendency, and distribution in this interactive web lesson.
Beacon Learning Center
Beacon Learning Center: All That Data
Students analyze data by finding the mean, median, mode, and range of a set of numbers. Line plots, bar graphs, and circle graphs are also included in this lesson.
Beacon Learning Center
Beacon Learning Center: Arrange a Party
Students use problem solving skills to calculate the range for a set of data and plan a party for friends.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Funciones Inversa
In Spanish. In this interactive unit learn how to recognize a function from a graph, determine graphically and analytically the domain and the range and find the inverse of a function.