Mathematics

Mathematics

Problem

If f(x)=x−3f(x)=\sqrt{x-3} and g(x)=x−5g(x)=x-5, what is the domain of the function (f+g)(x)(f+g)(x)? a) (3,∞)(3,\infty) b) [3,∞)[3,\infty) c) (−∞,∞)(-\infty,\infty) d) (5,∞)(5,\infty)

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