Logarithmic Function

Pronunciation: /ˌlɔ gəˈrɪð mɪk ˈfʌŋk ʃən/ Explain

A logarithmic function is any function that contains at least one logarithm.

Examples of logarithmic fuctions

  • y = log x. In this form the base is usually assumed to be 10.
  • y = ln x. Ln is the abbreviation for natural logarithm, or a logarithm with base e.
  • y = log6 3x-1

Click on the blue points on the sliders and drag them to change the figure

What happens when the base (b) is set to 1? Why?
Manipulative 1 - Graph of a Logarithmic Function Created with GeoGebra.

More Information

  • McAdams, David E.. Line. allmathwords.org. All Math Words Encyclopedia. Life is a Story Problem LLC. 8/31/2018. http://www.allmathwords.org/en/l/logarithm.

Cite this article as:

McAdams, David E. Logarithmic Function. 8/31/2018. All Math Words Encyclopedia. Life is a Story Problem LLC. http://www.allmathwords.org/en/l/logarithmicfunction.html.

Image Credits

Revision History

8/31/2018: Removed broken links, updated license, implemented new markup, implemented new Geogebra protocol. (McAdams, David E.)
8/30/2018: Initial version. (McAdams, David E.)

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