The set used for the input of all values within a Function.
Real Analysis
Commonly, it is the intersection of sets that include the real numbers of x allowed to be plugged into a Function . Helps to understand Undefined Values
The set D used for the input of all values within a Function.
Commonly, it is the intersection of sets that include the real numbers of x allowed to be plugged into a Function f(x). Helps to understand Undefined Values