Relation & Functions
Relation is a connection between or among things. Eg: Father, Mother and Child is a relation, Husband and wife is a relation, Teacher & Student is a relation.
Every relation has a pattern or property. Also every relation involves minimum two identities.
Relations in Mathematical World
o Number p is greater than number q. o Line m is perpendicular to lime n o Set A is subset of Set B. o Relation between three sides of Right triangle.( P 2 + B 2 = H 2)
Function is a Set of action or activity.
E. g.: We can assume police as a function that will arrest a thief & lodge complain for a victim.
Consider function like a black box, if you give a input, it will give some output based on your input.
Function in mathematics world: F( x) = x 2