JEE-IIT-NCERT Physics & Math

Let A B and C be three non-empty sets. Let f →A : B and g →B : C be two mappings (or functions), th… Read more Composition of Functions

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

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

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

Function y = f(x) = |x| is known as modulus function.  y = f(x) = $\left\{\begin{matrix}x,&x\ge… Read more Modulus Function

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