The function is $\"\"$ .

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Replace f(x) by y.

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$\"\"$

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Interchange x and y and solved for y.

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$\"\"$

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$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Replace y by $\"\"$ .

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$\"\"$

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\\

\

\

The function is $\"\"$ .

\

Replace f(x) by y.

\

$\"\"$

\

Interchange x and y and solved for y.

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Replace y by $\"\"$ .

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$\"\"$