What is the domain of f(x)=sqrt(4+x^2) ?

The domain of f(x)=sqrt(4+x^2) is -infinity <x<infinity

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domain of f(x)=sqrt(4+x^2)

domain

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

- \infty < x < \infty

Interval Notation

(- \infty, \infty)

Solution steps

Find non-negative values for radicals:

- \infty < x < \infty

The function has no undefined points nor domain constraints. Therefore, the domain is

- \infty < x < \infty

f (x) = 3 x^{4} - 4 x^{3} - 12 x^{2}

m = - 10, (0, 0)

(- 1, 5), (9, - 1)

f (x) = \frac{( x ^{2} - 2 x )}{x ^{2} - 4}

\frac{20}{10 + e ^{x}}

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