What is the domain of f(x)=(5x)/(x^2+81) ?

The domain of f(x)=(5x)/(x^2+81) is -infinity <x<infinity

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domain of f(x)=(5x)/(x^2+81)

domain

f (x) = \frac{5 x}{x ^{2} + 81}

- \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

7 x^{2} - 7 x

y = - \frac{1}{x}

f (x) = \frac{ln ( x + 1 )}{x - 3 + 2 x}

g (x) = \frac{x - 4}{3}

f (x) = x^{2} - 9 + 4 - x

What is the domain of f(x)=(5x)/(x^2+81) ?
The domain of f(x)=(5x)/(x^2+81) is -infinity <x<infinity