Functions

Functions

8.1

Functions

	Definition

	It is the relation in which each object in the domain has only one image in the codomain.

Identifying functions


One-to-one functions		Relation where the object in the domain has only one image

Many-to-one functions		Relation where more than one object is matched to the same image

One-to-many relations		Relation where the object in the domain has more than one image

Many-to-many relations		Relation where at least one object has more than one image, and more than one object has the same image.

8.1.2 Function representation

Functions

8.1

Functions

	Definition

	It is the relation in which each object in the domain has only one image in the codomain.

Identifying functions


One-to-one functions		Relation where the object in the domain has only one image

Many-to-one functions		Relation where more than one object is matched to the same image

One-to-many relations		Relation where the object in the domain has more than one image

Many-to-many relations		Relation where at least one object has more than one image, and more than one object has the same image.

8.1.2 Function representation