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What is the domain of the function y = √(x + 6) - 7
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What is the domain of the function y =

√(x + 6) - 7

User TemaTre
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There is no real square root of a negative number so x cannot be < 6.

Therefore the domain is x >= 6 or in interval notation it's [6, ∞)

User Casper Nybroe
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