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$\"\"$

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The functions are $\"\"$ .

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The sum of f and g is $\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ $\"\"$

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The value of function $\"\"$ .

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$\"\"$

\

The functions are $\"\"$ .

\

The difference of f and g is $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$ $\"\"$

\

The value of function $\"\"$ .

\

\

\

$\"\"$

\

The functions are $\"\"$ .

\

The product of f and g is $\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ $\"\"$

\

The value of function $\"\"$ .

\

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