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Mathematics 57 Online
OpenStudy (anonymous):

Given that f(x)=sqrt{2 + x} and g(x)=sqrt{2 - x}, find formulas for the following functions, and their domains. In each case, enter the domain using interval notation. (a) f+g= and its domain is (b) f-g= and its domain is (c) fg= and its domain is (d) f/g= and its domain is

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