$\"\"$

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The function is $\"\"$ .

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All possible values of $\"\"$ is the domain of the function.

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Where, the value of square root should not be a negative.

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So, $\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ and $\"\"$

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$\"\"$ and $\"\"$

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Then, $\"\"$ lies $\"\"$

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The domain of the function is $\"\"$ .

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$\"\"$

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The function is $\"\"$ .

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Range is the set of values of $\"\"$ for different values of $\"\"$ .

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Consider $\"\"$ , then $\"\"$

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$\"\"$

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$\"\"$

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Consider $\"\"$ , then $\"\"$ .

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$\"\"$

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$\"\"$

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The range of the function is $\"\"$ .

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$\"\"$

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Graph the function $\"\"$ :

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$\"\"$

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$\"\"$

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The domain of the function is $\"\"$ .

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The range of the function is $\"\"$ .