$\"\"$

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

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Find $\"\"$ .

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Find $\"\"$ .

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Consider $\"\"$ .

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Rewrite the function as $\"\"$ .

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$\"\"$

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Interchange x and y.

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$\"\"$

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Solve for y.

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$\"\"$

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Replace y by $\"\"$ .

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

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Find $\"\"$ .

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Consider $\"\"$ .

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Rewrite the function as $\"\"$ .

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Interchange x and y.

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$\"\"$

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Solve for y.

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$\"\"$

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$\"\"$

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Replace y by $\"\"$ .

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

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The composition of $\"\"$ with $\"\"$ is $\"\"$ .

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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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The function $\"\"$ .