What is the domain of x/(9+x^2) ?

The domain of x/(9+x^2) is -infinity <x<infinity

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domain of x/(9+x^2)

domain

\frac{x}{9 + x ^{2}}

- \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 - x^{3}

f (x) = \frac{x + 2}{6 - x}

4 x + 8

f (x) = lo g_{5} (- x^{2} + 7 ∣ x ∣ - 12)

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

What is the domain of x/(9+x^2) ?
The domain of x/(9+x^2) is -infinity <x<infinity