Math  /  Algebra

QuestionWhat is the domain of the function f(x)=x281f(x)=\sqrt{x^{2}-81} ?
The domain is \square (Type your answer in interval notation.)

Studdy Solution
Express the solution in interval notation: The domain of f(x) f(x) is: (,9][9,) (-\infty, -9] \cup [9, \infty)
The domain is (,9][9,)(- \infty, -9] \cup [9, \infty).

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