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Mathematics 9 Online
OpenStudy (anonymous):

Need help with finding Domain in Functions!

OpenStudy (anonymous):

what kind of functions

OpenStudy (anonymous):

cubic root and fractions

OpenStudy (anonymous):

fractions or rational functions have a domain in the denominator, while cubic root functions have domains under the radical

OpenStudy (anonymous):

nevermind cubic root functions have domains at all real numbers

OpenStudy (anonymous):

so for example cubicroot x+5, would be x is greater than or equal to 5?

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