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$\"\"$

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The function is $\"\"$ The greatest integer less than or equal to x.

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The function is $\"\"$ .

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For $\"\"$ , the greatest integer $\"\"$ is $\"\"$ .

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

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The value of function $\"\"$ .

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$\"\"$

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The function is $\"\"$ The greatest integer less than or equal to x.

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The function is $\"\"$ .

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For $\"\"$ , the greatest integer $\"\"$ is $\"\"$ .

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

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The value of function $\"\"$ .

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