SOLUTION: THE QUESTION STATES WRITE DOWN IN INTERVAL NOTATION THE DOMAINS OF THE FUNCTION g(x)= square root of x-7

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Question 141798: THE QUESTION STATES WRITE DOWN IN INTERVAL NOTATION THE DOMAINS OF THE FUNCTION
g(x)= square root of x-7
Answer by nabla(475) About Me  (Show Source):
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Recall that the square-root function is only real-valued above 0.
Thus we want x-7>0
which is x>7.
Thus, in interval notation it is is (7,infinity).