Determine the domain of the function .

MATHEMATICS · Single correct · AoPS · Mathematics · Special Functions · Special Functions

Problem

Determine the domain of the function f(x)=(x−3)2f(x)=\sqrt{(x-3)^2}. (a) [3,∞)[3,\infty) (b) (−∞,∞)(-\infty,\infty) (c) R∖{3}\mathbb{R}\setminus\{3\} (d) (−∞,3](-\infty,3]

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