# Category:Real Functions

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This category contains results about **Real Functions**.

Definitions specific to this category can be found in Definitions/Real Functions.

A **real function** is a mapping or function whose domain and codomain are subsets of the set of real numbers $\R$.

## Subcategories

This category has the following 9 subcategories, out of 9 total.

## Pages in category "Real Functions"

The following 11 pages are in this category, out of 11 total.

### G

- Graph of Real Bijection in Coordinate Plane intersects Horizontal Line at One Point
- Graph of Real Function in Cartesian Plane intersects Vertical at One Point
- Graph of Real Injection in Coordinate Plane intersects Horizontal Line at most Once
- Graph of Real Surjection in Coordinate Plane intersects Every Horizontal Line