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Observe the graph :

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Domain of the function $\"\"$ is $\"\"$

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(a)

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Estimate $\"\"$ .

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$\"\"$ is not in the domain of $\"\"$ .

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$\"\"$ is not defined.

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(b)

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Estimate $\"\"$ $\"\"$ .

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The function $\"\"$ value at $\"\"$ is $\"\"$ .

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$\"\"$ .

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(c)

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Estimate $\"\"$ .

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The function $\"\"$ value at $\"\"$ is $\"\"$ .

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$\"\"$ is not defined.

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$\"\"$ is not defined.

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$\"\"$ .

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$\"\"$ .