Domain<span>: The set of all possible input values (commonly the "x" variable) It is the set of all real numbers for which a function is mathematically defined.
</span>![f(x) = \sqrt[1]{x-9}](https://tex.z-dn.net/?f=f%28x%29%20%3D%20%20%5Csqrt%5B1%5D%7Bx-9%7D%20)
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The function has noun defined points nor domain constraints. Therefore, the domain is
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The function has noun defined points nor domain constraints. Therefore, the domain is
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