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

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

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domain of f(x)= x/(x^2+9)

domain

f (x) = \frac{x}{x ^{2} + 9}

- \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{7 a}{( a + 1 ) ( a - 4 )}

f (x) = 3 x + 27

f (x) = \frac{x ^{2} - 2 x - 8}{x ^{2} + x - 6}

(x - 6)^{2}

f (x) = - x^{2} + 2 x + 5

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