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 x^{2}.

**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.**

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