Handout
Paul Dawkins

Paul's Online Notes: Algebra: The Definition of a Function

For Students 9th - 10th Standards
Detailed math tutorial features definitions and examples that take a look at relations and functions, function notation, the domain and range of a function, and piecewise functions.
Activity
Paul Dawkins

Paul's Online Notes: Function Practice Problems by Paul's Online Notes

For Students 9th - 10th Standards
In this section we will cover function notation/evaluation, determining the domain and range of a function and function composition.
Handout
Math Open Reference

Math Open Reference: Function

For Students 9th - 10th Standards
A complete reference guide to functions including how to use functions, inverse functions, graphing a function, and functions in computer programming. It provides definitions and examples that enhance further explanation.
Activity
Texas Instruments

Texas Instruments: Exponential Functions

For Teachers 9th - 10th
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...
Activity
Lawrence Hall of Science

The Math Page: Topics in Pre Calculus: Vocabulary of Polynomial Function

For Students 9th - 10th
Here is a site that clearly and thoroughly explains all the vocabulary associated with polynomial functions. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F if Your Father

For Teachers 9th - 10th Standards
This is a simple task which has students analyze functions where they assign a father to each student. It addresses the idea that not all functions have real numbers as domain and range values, and the issue of when a function admits an...