What is the domain of (x^2-4)/(x^2+4) ?

The domain of (x^2-4)/(x^2+4) is -infinity <x<infinity

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domain of (x^2-4)/(x^2+4)

domain

\frac{x ^{2} - 4}{x ^{2} + 4}

- \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) = - 5 + 8 x - x^{2}

\frac{x ^{2} - 4}{x ^{2} + 6}

25 x

f (x) = 10 - x^{- 2}

f (x) = \frac{x - 9}{x ^{2} - 17 x + 72}

What is the domain of (x^2-4)/(x^2+4) ?
The domain of (x^2-4)/(x^2+4) is -infinity <x<infinity