$\"\"$

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The function $\"\"$ .

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$\"\"$ (Replace f(x) by y)

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$\"\"$ (Interchange x and y)

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$\"\"$ (Isolate the y - term)

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$\"\"$ (Solve for y)

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$\"\"$ (Replace y by $\"\"$ ) $\"\"$

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The inverse function of f is $\"\"$ .