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Mathematics 6 Online
OpenStudy (anonymous):

What is the domain of k(x)= square root x + 4 All real numbers all real numbers greater than or equal to 4 all real number greater than 0 all real numbers greater than or equal to 0

OpenStudy (anonymous):

all real numbers greater than or equal to 0 but you know why????

OpenStudy (anonymous):

no please tell me

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