The limit of a function is the L value that seems to take f(x) for a particular value of x called X 0, however, in the world ofÂ mathematics concept, we will need a formal definition representing what we have just said. For this, we can make the first attempt.

Given two functions f(x) and g (x) that have the limit at a point a, the following properties are fulfilled.

The study of the limit of a function at a point allows to determine what happens to the value of the function when the variable x approaches a specific point, and from there it can pass.