In this post, we find the domain and range of a function with the help of different examples. Example: 1 Find the domain and range  of x2. Solution.  Domain: Set of all real numbers Range:    Set of all non –negative real numbers. Example: 2 Find the domain and range  of    . Solution.  Domain: Set of all real numbers except -2 and 2 Range:    Set of all real numbers. Example: 3 Find the domain and range  of    . Solution.  Domain: :  Range:          Previous topic:    Function