|This article does not cite any references or sources. (August 2012)|
In mathematics, a power function is a function[disambiguation needed] of the form : where and are constant real numbers and is a variable. The domain of a power function can sometimes be all real numbers, but generally a non-negativity is used to avoid problems with simplyfying. The domain of definition is determined by each individual case.
Power functions are a special case of power law relationships, which appear throughout mathematics and statistics.
See also 
|This mathematics-related article is a stub. You can help Wikipedia by expanding it.|