Khan Academy
Khan Academy: Algebra Ii: Graphs of Logarithmic Functions
Graph logarithmic functions and find the appropriate graph given the function. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Analysis of Logarithmic Graphs: Graphs of Logarithmic Functions
[Free Registration/Login may be required to access all resource tools.] Graphing logarithmic functions using transformations. Identifying log functions as the inverses of exponential functions. Students examine guided notes, review...
CK-12 Foundation
Ck 12: Algebra Ii: Analysis: Graphs of Logarithmic Functions
[Free Registration/Login may be required to access all resource tools.] This lesson covers graphing logarithmic functions. Students examine guided notes, review guided practice and attempt practice problems.
University of North Carolina
University of North Carolina Wilmington: Logarithmic Functions
Defines logarithmic functions, offers interactive graphs of exponential equations, and explains natural logarithms.
Windstream
Ojk's Precalculus Study Page: Logarithmic Functions
A wonderful study tutorial explaining logarithmic functions. Learn how to solve simple logarithmic functions. Includes many graphs and examples.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Logarithmic Functions
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.
University of Guelph
University of Guelph: Graphing With Logarithmic Paper
Good tutorial explaining how to produce a graph on logarithmic paper.
Math Notes and Math Tests
Pre Calculus Notes: Logarithmic (Log) Functions and Their Graphs [Pdf]
The resource from a professor at San Diego Mesa College investigates logarithmic functions and their graphs. Topics examined are common logs, basic log properties, and domains of logarithmic functions. Class notes and examples are included.
Richland Community College
Richmond Community College: Logarithmic Functions
This site which is provided for by the Richmond Community College gives information examining logarithmic functions and their graphs.
Khan Academy
Khan Academy: Graphs of Logarithmic Functions
Graph logarithmic functions and find the appropriate graph given the function.
University of Vienna (Austria)
Math Online: Functions
This interactive site uses applets to show sample graphs of each simple power function, a function plotter, graph puzzles, and more. Great site.
William Mueller
William Mueller: Families of Functions
Meet the Function Family! Each member of the family has examples of their graphs and descriptions of the types of real-world situation that produce those graphs.
Purple Math
Purplemath: Graphing Logarithmic Functions: Intro
This lesson details graphing logarithmic functions. The lesson explains the relationship between the graph of the logarithm and its inverse. The site gives examples of logarithmic graphs of base 2, 3, and e. Shifts in logarithmic graphs...
Richland Community College
Richland Community College: Logarithmic Functions
This site from Richland Community College includes basic definition, properties, and graph of the logarithmic function.
CK-12 Foundation
Ck 12: Algebra Ii: 3.11 Modeling With Exponential Decay and Log Functions
This lesson continues exploring the process for modeling real world scenarios by writing and solving exponential and logarithmic functions. It also covers how to create and interpret graphs of such functions.
University of Vienna (Austria)
The Graphs of Sin, Cos, and Tan Maths Online
This applet allows the user to create the graphs of sin, cos, and tan by moving a scroll bar. The user can watch the unit circle and the graph simultaneously to see how the two are related. The user may also choose to see the angle...
University of Vienna (Austria)
Maths Online: Recognize Functions 3
An excellent place to test your ability to recognize the graphs of sine and cosine and their various associated forms. A Java applet is also included to plot your own function.
Other
Numbers, Constants, and Computation: The Logarithm Constant : Log(2)
This site explains The logarithm constant : log(2). It is a very comprehensive site.
Math Medics
S.o.s. Math: Graphs of Exponential & Logarithmic Function
This lesson gives brief description of dependent and independent variables and how they relate to the exponential and logarithmic functions.
Texas Instruments
Texas Instruments: Exploring Families of Functions
This activity provides students an opportunity to discover the similarities involved in shifting the parent functions for absolute value, quadratic, cubic, radical, exponential, and logarithmic functions. Students will also be given the...
Interactive Mathematics
Interactive Mathematics: Graphs of Exponentials & Logarithms
Interactive graphs of base 10 exponential and logarithmic functions are demonstrated and applied to real-world problems.
Mathematics Archives
Math Archives: Visual Calculus: Exponential Functions
Good site about exponential functions. The site has information on significance, notation, rules, graphs, etc.
Lawrence Hall of Science
The Math Page: Topics in Precalculus: Logarithmic and Exponential Functions
Clearly and thoroughly explains the graphs of logarithmic and exponential functions. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to students who have...
Illustrative Mathematics
Illustrative Mathematics: F Bf Exponentials and Logarithms Ii
The purpose of this task is to help students see that the definition of the logarithm as an exponent results in an inverse relationship between the exponential and logarithm functions with the same base. This prepares them to think about...