What is the domain of (x^2+15)/3 ?

The domain of (x^2+15)/3 is -infinity <x<infinity

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domain of (x^2+15)/3

domain

\frac{x ^{2} + 15}{3}

- \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{2 x + 14}{x ^{2} - 49}

f (x) = \frac{5}{x} + \frac{7}{x + 7}

f (x) = \frac{x}{x - 5}

g (x) = \frac{x}{x ^{2} + 15 x + 50}

14 - 2 x

What is the domain of (x^2+15)/3 ?
The domain of (x^2+15)/3 is -infinity <x<infinity