\"\"

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The equation is \"a.

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Graph the related function \"f.\"\"

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\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \
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a

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f (a)

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    \"\"4

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     4

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\"\"3

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\"\"3

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\"\"2

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\"\"8

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\"\"1

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\"\"11

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0

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\"\"12

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1

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\"\"11

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2

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\"\"8

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3

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\"\"3

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4

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\"\"4

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5

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13

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\"\"

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Graph:

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\"\"

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\"\"

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The a-intercepts are between 3 and 4 and between \"minus and \"minus.

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So,one root is between 3 and 4 and the other root is between \"minus and \"minus.