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OpenStudy (anonymous):
F(x) = (2x^2 − x − 1)/ (x^2 + 1 ) state the domain. (Enter your answer using interval notation) help please
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OpenStudy (anonymous):
the domain of a function is the set of all real numbers you can plug into your function F and it will give you back a real number.... because a lot of times the set is too big, you can list down the just the restrictions.... so, what numbers can you stick into F(x) and get back a real number?
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