Real-valued functions

Definition

Real-valued functions are mathematical functions that take real numbers as inputs and produce real numbers as outputs.

Related terms

Domain:

The domain is the set of all possible input values for a function.

Range:

The range is the set of all possible output values for a function.

Continuous Function:

A continuous function is one where there are no breaks, jumps, or holes in its graph. It can be drawn without lifting your pencil from paper.