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$\"\"$

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The function $\"\"$ . $\"\"$

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The functions $\"\"$ and $\"\"$ are lie in the graph.

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$\"graph$

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The graph of $\"\"$ is a vertical shift of one unit to the up of the graph of $\"\"$ .

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$\"\"$

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The function $\"\"$ . $\"\"$

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The functions $\"\"$ and $\"\"$ are lie in the graph is

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$\"graph$

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The graph of $\"\"$ is a vertical shift of one unit to the down of the graph of $\"\"$ .

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$\"\"$

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The function $\"\"$ . $\"\"$

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The functions $\"\"$ and $\"\"$ are lie in the graph is

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$\"graph$

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The graph of $\"\"$ is a vertical shift of three units to the up of the graph of $\"\"$ .