A function is a relation from a set A (domain) to a set B (co-domain) such that every element of A is mapped to exactly one element of B.

Functions are one-to-one or many-to-one, but not one-to-many.

This tool visualizes mappings and checks if a relation is a function.

--

chemistry

maths

Maths (Problems)

physics

Physics ( problems )

Relations and Functions ( Maths class - 11 )

sets ( Maths Class-11 )

Trigonometric Functions ( Maths class - 11 )