**The notation of a function actually refers to determining the "name" of the function.**

**It is customary to symbolize a function using letters from the Latin alphabet when the two most common notations are:**

- $y$
- $f(x)$

(Of course, similar notations can also be used).

**The -** **inside parentheses expresses that it is an independent variable of the function and the function's dependency (** **or** **) on it.** **$x$,$y$,$f$**