What is the domain of 1/(x^2+4) ?

The domain of 1/(x^2+4) is -infinity <x<infinity

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domain of 1/(x^2+4)

domain

\frac{1}{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

2 - \frac{3}{x}

f (x) = x^{6} e^{x} - 3

y = \frac{x ^{3}}{( x - 1 ) ^{2}}

f (x) = \frac{6}{x ^{2} - 64}

f (x) = x^{4} - 2 x^{2} + 3

What is the domain of 1/(x^2+4) ?
The domain of 1/(x^2+4) is -infinity <x<infinity