$\"\"$

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The function is $\"\"$ is not one-to-one function.

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$\"\"$

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If $\"\"$ is $\"\"$ or $\"\"$ then the value of $\"\"$ is $\"\"$ , so it is not a one-to-one function.

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If the value of $\"\"$ is in the domain of $\"\"$ the function is one-to-one function.

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$\"\"$ , $\"\"$

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Since the domain of $\"\"$ is $\"\"$ , $\"\"$ .

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$\"\"$ , $\"\"$ .

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The new function $\"\"$ , $\"\"$ .

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$\"\"$

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Find $\"\"$ .

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$\"\"$

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To find $\"\"$ interchange $\"\"$ and $\"\"$ .

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$\"\"$

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Solve $\"\"$ to find $\"\"$ .

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$\"\"$

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The inverse function is $\"\"$ , $\"\"$ .

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$\"\"$

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The new function $\"\"$ , $\"\"$ .

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The inverse function is $\"\"$ , $\"\"$ .