How do you find the domain of $f(x) = x² - 5x + 8$ ?

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Answer 1 · 2018-05-19T16:20:15

${x|x∈RR}$

Since it is Quadratic Function(also Polynomial Function), All Real Numbers are Domain for this function.

How do you find the domain of f(x) = x² - 5x + 8f(x) = x² - 5x + 8?