Modulus Function

Function y = f(x) = |x| is known as modulus function.  y = f(x) = $\left\{\begi… Read more Modulus Function

Classification of Functions

Constant Function  A function which does not change as its parameters vary i.e.… Read more Classification of Functions

Functions or Mappings

Let A B and be two non-empty sets. Then, a function f from set A to Bis a rule … Read more Functions or Mappings

Composition of Relations

Let R $\subseteq$ A $\times$ B, S $\subseteq$ B $\times$ C, be two relations. T… Read more Composition of Relations

Different Types of Relations

Void Relation An empty relation (or void relation) is one… Read more Different Types of Relations

Relations

Let A B and be two non-empty sets. Then, a relation R from A to B is a subset o… Read more Relations

Cartesian Product

Let A and B be two non-empty sets. The cartesian product of A and B is denoted … Read more Cartesian Product

Ordered Pair

Two elements a b and listed in a specific order form an ordered pair, denoted b… Read more Ordered Pair

Cardinal Number of a Finite and Infinite Set

The number of distinct elements in a finite set A is called cardinal number and… Read more Cardinal Number of a Finite and Infinite Set