The representation of a set of points whose coordinates belong to a relation defined in a set of numbers.

### Example

This Cartesian graph represents the solution set of the second-degree polynomial function defined by *f**(x) = x²*.

The representation of a set of points whose coordinates belong to a relation defined in a set of numbers.

This Cartesian graph represents the solution set of the second-degree polynomial function defined by *f**(x) = x²*.