$\"\"$

The function is $\"\"$ .

All possible values of $\"\"$ is the domain of the function.

The denominator should not be equal to $\"\"$ .

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The domain of the function is set of all real numbers except $\"\"$ .

Domain of the function is $\"\"$ .

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Graph :

Graph of the function $\"\"$ .

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hallow circle represents that the point is excluded from the function.

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Domain of the function is $\"\"$ .

Graph of the function $\"\"$ is \ \

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