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What is the domain of f(x) = x^2 - x + 5?

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bobbyboy7 | eNotes Newbie

Posted September 4, 2013 at 11:24 PM via web

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What is the domain of f(x) = x^2 - x + 5?

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baxthum8 | High School Teacher | (Level 3) Associate Educator

Posted September 4, 2013 at 11:33 PM (Answer #1)

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Domain of `f(x) = x^2 - x + 5`

The domain of a function is the set of all possible inputs for the function.

There does not exist any values of real numbers in which can not be placed into the function.  Therefore the domain is:  all real numbers.

Can be written many ways, depending on the text.

`{-oo,oo}` or  `{x|-oo<x<oo}` or {all real #'s}

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