Composition of Functions

Let A B and C be three non-empty sets. Let f →A : B and g →B : C be two mapping… Read more Composition of Functions

Algebra of Real Functions

Let f : X → R and g : X → R be any two real functions, where X $\subset$ R. (i… Read more Algebra of Real Functions

Inverse Function

Let f be defined a function from A to B such that for every element of B their … Read more Inverse Function

Greatest Integer Function

For any real number x, the greatest integer function ⌊x⌋is equal to greatest in… Read more Greatest Integer Function

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