|
|
|
|
|
Range (Mathematics)In mathematics, the range of a function is the set of all values produced by a function. Sometimes called the image. Given a function , the set f(A) is called the range of f. The range is not to be confused with the codomain B. Generally the range is only a subset of the codomain. Example Let the function f be a function on the real numbers: -
defined by -
The codomain of f is R, but clearly f(x) never takes negative values, and thus the range is in fact the set R+—non-negative reals, i.e. the interval [0,∞): -
See also codomain, domain (mathematics), injective function, surjective function, bijective function
|
 |
|
| Copyright 2005-2009 OnPedia.com. All Rights Reserved |
|
|