What is the domain of f(x)=(x^2-3x+2)/(x^2+1) ?

The domain of f(x)=(x^2-3x+2)/(x^2+1) is -infinity <x<infinity

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domain of f(x)=(x^2-3x+2)/(x^2+1)

domain

f (x) = \frac{x ^{2} - 3 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

f (x) = \frac{9 - e ^{x^{2}}}{1 - e ^{9 - x^{2}}}

\frac{5}{x + 6}

f (x) = x^{2}

\frac{1}{4} x^{2}

What is the domain of f(x)=(x^2-3x+2)/(x^2+1) ?
The domain of f(x)=(x^2-3x+2)/(x^2+1) is -infinity <x<infinity