e/Differential of a function

Information
has gloss	eng: In calculus, the differential represents the principal part of the change in a function y = ƒ(x) with respect to changes in the independent variable. The differential itself is defined by an expression of the form
lexicalization	eng: differential of a function
instance of	c/Generalizations of the derivative

Media
media:img	Sentido geometrico del diferencial de una funcion.png