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Determine for each X-value whether it is in the domain of f or not. In domain Not in domain
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Determine for each X-value whether it is in the domain of f or not.

In domain
Not in domain

Determine for each X-value whether it is in the domain of f or not. In domain Not-example-1
User Wasim
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Answer:

Only -2 is in the domain because if you substitute -2 in for x, you would get a positive answer. The others would not work because you would get a negative number inside the square root, and you can't square root a negative number unless you are allowed to use imaginary numbers.

Explanation:

User Andor
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