Unit Plan
Stefan Warner and Steven R. Costenoble

Finite Mathematics & Applied Calculus: Exponential Functions and Models

For Students 9th - 10th Standards
The resource investigates exponential functions and models. Students learn about the concepts through notes and examples. A chapter quiz, review exercises, and chapter summary are included.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Le Do Two Points Determine an Exponential Function?

For Teachers 9th - 10th
In this task, students investigate whether exponential functions will always be determined by two points. It complements the task "Do two points always determine a linear function?" Aligns with F-LE.A.2.
Handout
Other

Algebra Lab: Applications of Exponential Functions

For Students 9th - 10th
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...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Graphs of Exponential Functions

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Students graph an exponential function and compare graphs of exponential functions on the same coordinate plane. Students examine guided notes, review guided...
eBook
CK-12 Foundation

Ck 12: 3.4 Graphs of Logs as the Inverse of Exponential Functions

For Students 9th - 10th Standards
This lesson explores the statement that the log functions are identified as the inverse of exponential functions. These functions will be compared visually through the graphs of both the logarithmic and exponential functions.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Le Two Points Determine an Exponential Function Ii

For Teachers 9th - 10th Standards
In this task, students are shown a graph of an exponential equation, with two points labeled with their coordinates, and are asked to find the values of a and b in the equation. Aligns with F-LE.A.2.
eBook
CK-12 Foundation

Ck 12: Algebra Ii: 3.5 Using Logs to Solve Exponential Functions

For Students 9th - 10th Standards
This section explores logarithms as operations that are the inverse of exponents. It investigates the process for "undoing" or "eliminating" variable exponents when solving exponential equations.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Le in the Billions and Exponential Modeling

For Teachers 9th - 10th Standards
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.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Le What Functions Do Two Graph Points Determine?

For Teachers 9th - 10th Standards
In this task, students find a unique linear function, a unique exponential function, and more than one quadratic function that go through the same two points on the coordinate grid. Aligns with F-LE.A.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Le a Saturating Exponential

For Teachers 9th - 10th Standards
For this problem, students use an exponential equation to investigate the warming up of a cold beverage on a summer day and analyze a graph to estimate temperatures. Aligns with F-LE.B.5 and F-BF.B.
Unit Plan
Math Is Fun

Math Is Fun: Working With Exponents and Logarithms

For Students 9th - 10th Standards
Clearly presented explanation of how logarithms and exponents work together, the properties of logarithms, the natural logarithm and the natural exponential functions, the common logarithm, changing the base, and real-world applications...
Activity
Windstream

Ojk's Precalculus Study Page: The Number E and the Function E^x

For Students 9th - 10th Standards
An introduction to the natural exponential function, beginning with the limit definition of the irrational number e. Includes several examples and exercises with solutions which deal with the compound interest formula.
Lesson Plan
BioEd Online

Bio Ed Online: Calculating Exponential Growth

For Teachers 9th - 10th
Disease is a breakdown in structures or functions of an organism. Some diseases are the result of damage by infection by other organisms. In this lesson students read an essay, "It's All in the Numbers," about the rapid spread of HIV...
Unit Plan
Oswego City School District

Regents Exam Prep Center: Exponential and Logarithmic Functions

For Students 9th - 10th
Students learn about exponential functions, logarithmic functions, and applications of exponential functions. The tutorial includes class notes, calculator tips, examples, and practice problems with solutions. The teacher resource...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Exponential Growth

For Students 11th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Learn about developing exponential growth models. Here you will explore the use of Algebra to match mathematical models to observed data from real-life situations.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Le Identifying Functions

For Teachers 9th - 10th Standards
In this task, students are shown a table with linear, quadratic, and exponential functions at various values of x and are asked to match the function type to each data set and explain their reasoning. Aligns with F-LE.A.1.b and F-LE.A.1.c.
Graphic
University of Illinois

University of Illinois: Exponential Review

For Students 9th - 10th Standards
This site from the University of Illinois shows several basic graphs, gives properties of exponential functions, and has practice problems at the end of the site.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Linear, Exponential, and Quadratic Models

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Given a table of values, determine the type of function being modeled.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: College Algebra: Logarithmic Functions

For Students 9th - 10th Standards
This clear tutorial provides the definition of a logarithmic function as well as instruction on how to perform important tasks with them. Find step-by-step solutions to example problems and practice exercises for you to complete and check.
Activity
Other

Wpi: Applications of Exponential & Logarithmic Functions

For Students 9th - 10th Standards
This site explains the Applications of exponential and logarithmic functions with exercises to help the student understand the applications.
Primary
Windstream

Ojk's Precalculus Study Page: Rational Exponents

For Students 9th - 10th Standards
A basic introduction to rational exponents, beginning with the definition and working up to an application. Includes several examples.
Handout
Other

Brown Math: It's the Law Too the Laws of Logarithms

For Students 9th - 10th
The laws of logarithms (which flow directly out of the laws of exponents) are discussed here. Combining logs with the same base and the Change of Base Formula are also explained in straightforward language for the reader.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Le Basketball Rebounds

For Teachers 9th - 10th Standards
The purpose of this task is to introduce students to an exponential decay function in the form f(x) = abx, with a concrete interpretation of the decay factor b. A table shows the rebound height of a basketball for each successive bounce....
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Le Bacteria Populations

For Teachers 9th - 10th Standards
This task provides a real-world context for interpreting and solving exponential equations. Students are asked to examine the equations representing the growth of three colonies of the bacterium that causes pneumonia, each colony being...