Find the domain of the function $f(x)=\sqrt{\sqrt{x^2-16}-3}$.
Question:
Find the domain of the function $f(x)=\sqrt{\sqrt{x^2-16}-3}$.
Answer:
Let's think step by step.

user
(-\infty,-5]\cup[5,\infty)
Find the domain of the function $f(x)=\sqrt{\sqrt{x^2-16}-3}$.
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