What is the domain of (x^2-5x+2)/(x^2+1) ?

The domain of (x^2-5x+2)/(x^2+1) is -infinity <x<infinity

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domain of (x^2-5x+2)/(x^2+1)

domain

\frac{x ^{2} - 5 x + 2}{x ^{2} + 1}

- \infty < x < \infty

Interval Notation

(- \infty, \infty)

Solution steps

The function has no undefined points nor domain constraints. Therefore, the domain is

- \infty < x < \infty

- x - 8

f (x) = \frac{6 + x}{- 8 + 3 x}

\frac{10 x}{3 x ^{2} + 8}

f (x) = 7 - 2 x

y = \frac{- 9 x ^{2}}{( x - 2 ) ( x + 8 )}

What is the domain of (x^2-5x+2)/(x^2+1) ?
The domain of (x^2-5x+2)/(x^2+1) is -infinity <x<infinity