$\"\"$

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The function is $\"\"$ .

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$\"\"$ (Factors)

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$\"\"$ (Factors are imaginary)

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Therefore, the graph of $\"\"$ does not cross the $\"\"$ -axis.

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Graph:

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Graph the function $\"\"$ .

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$\"\"$

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$\"\"$

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Graph of the function $\"\"$ is

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$\"\"$