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What is the domain of the function y=³√x-1?

User Emre Isik
by
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4 votes

Answer:

x - 1 is inside a cubic root.

The cubic root of a positive number is positive.

The cubic root of zero is zero.

The cubic root of a negative number is negative.

That means that the cubic root of any real number is also a real number.

The domain is all real numbers.

User Ivan Yulin
by
8.0k points
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