$\"\"$

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The functions are $\"\"$ with domain $\"\"$ and $\"\"$ .

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Find $\"\"$ .

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$\"\"$ .

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To find the inverse of the function, consider $\"\"$ and solve $\"\"$ in terms of $\"\"$ .

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$\"\"$

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$\"\"$

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Squaring on each side.

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$\"\"$

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Now interchange $\"\"$ and $\"\"$ .

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$\"\"$

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Replace $\"\"$ .

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$\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ for $\"\"$ .

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$\"\"$ for $\"\"$ .