Analyze Math
Analyze Math: Exponential Functions (2)
The tutorial investigates how to use exponential functions to solve word problems. Some topics explored are population and radioactive decay. The activity includes examples with detailed solutions.
Texas Instruments
Texas Instruments: Transformations of Exponential Functions
This activity assesses student's knowledge of transformations of exponential functions. Writing exponential functions that model growth and decay are also explored.
Texas Instruments
Texas Instruments: Algebra 1: Exponential Functions
Students will use examples and an interactive graph to explore exponential functions such as growth and decay.
Illustrative Mathematics
Illustrative Mathematics: F Le in the Billions and Exponential Modeling
For this task, students examine world population data from 1804 to 2012 and investigate whether an exponential function is appropriate for modeling the relationship between the world population and the year. Aligns with F-LE.A.1.c.
Other
Algebra Lab: Applications of Exponential Functions
Explains how exponential functions have applications in real-world scenarios, including a population of a city, the growth of bacteria, drug decay, and compounding interest. Includes four word problems to try, with hints and answers...
University of South Florida
Fcat: Get a Half Life!: Teacher Notes
Students use M&M's and a graphing calculator to collect and graph data. This activity helps them to understand exponential functions and the concept of half-life.
Cool Math
Coolmath: Radioactive Decay 1
This Algebra Cruncher generates an endless number of practice problems for radioactive decay -- with solutions! Find how much will be left after a given amount of time.
Cool Math
Coolmath: Radioactive Decay 2
This Algebra Cruncher generates an endless number of practice problems for radioactive decay -- with hints and solutions! Find the half-life.
Illustrative Mathematics
Illustrative Mathematics: F Le Carbon 14 Dating in Practice Ii
This problem introduces Carbon 14 dating which is used by scientists to date certain organic material. This version is based on the ratio of Carbon 14 to Carbon 12, which decreases at a constant exponential rate after an organism dies....
Richland Community College
Richland Community College: Exponential Models
This site from Richland Community College contains specific examples of where logarithmic and exponential formulas are used, including: exponential growth and decay, Gaussian, logistics growth, and logarithmic.
Exploratorium
Exploratorium: Radioactive Decay Model
Substitute coins for radiation. A coin experiment using radioactive decay.
Interactive Mathematics
Interactive Mathematics: Dow Jones Industrial Average
Students experience how exponential functions are related to the stock market through exponential growth and decay graphs.
Michigan State University
Michigan State University: Decay Constants and Half Lives
This site from the Michigan State University provides a short review of decay constants and half-lives.
Illustrative Mathematics
Illustrative Mathematics: F Le Us Population 1790 1860
In this task, students are shown a table of U.S. population data between 1790 and 1860 and are asked to explore whether exponential functions would be appropriate to model relationships within the data. The purpose of the task is to help...
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Estudio Del Crecimiento De Una Funcion
Learn with these interactive exercises the concepts of growth and decay of a function and analyze the concepts with elementary functions.
Paul Dawkins
Paul's Online Notes: Algebra: Applications
Provides examples of applications of exponential functions involving compound interest and exponential growth and decay, and an example of an application of a logarithm involving earthquake intensity.