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- Steve ALv 710 months agoFavorite Answer
f(x) = √(16 - 2x)

The terms under the radical must be greater than or equal to zero.

16 - 2x >= 0

16 >= 2x

8 >= x

This is the domain.

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- ted sLv 710 months ago
Of what type of numbers can you take square roots and obtain a real number ?

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- Anonymous10 months ago
Yahoo Answers shouldn't be about cheating on your homework.

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