Precalculus A Fuctional Approach to Graphing and Problem Solving
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Section 4.5: Logarithmic Functions
Links (Click on the underlined link for extra practice with the topic.)

Definition of Logarithm
This site begins with the definition of logarithm, and then discusses the laws of logarithms (© 2002-2007 by Stan Brown, Oak Road Systems):
http://oakroadsystems.com/math/loglaws.htm#WhatIs

Practice with Logarithms
Here we practice with the definition of logarithms (©  2002, WTAMU and Kim Peppard):
http://www.wtamu.edu/academic/anns/mps/math/mathlab/col_algebra/col_alg_tut43_logfun.htm

Logarithmic Function
This presents a nice discussion of logarithmic functions, including an interactive link:
http://www.analyzemath.com/logfunction/logfunction.html

Exponential and Logarithmic Functions as Inverse Functions
http://www.sosmath.com/algebra/logs/log4/log4.html

Properties of Logarithmic Functions
Take the time to read through all the material on this site (© 1999 Stefan Waner and Steven R. Costenoble):
http://www.zweigmedia.com/RealWorld/calctopic1/logs.html

Jhone Neper
This site refers to Jhone as John Napier (JOC/EFR © April 1998):
http://www-history.mcs.st-andrews.ac.uk/Biographies/Napier.html

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© 2011 Karl J. Smith. All rights reserved.