What is the domain of sqrt(9+x^2) ?

The domain of sqrt(9+x^2) is -infinity <x<infinity

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domain of sqrt(9+x^2)

domain

9 + x^{2}

- \infty < x < \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) = x^{2} + 2 x - 3

5 x + 4 y = 8, (10, 5)

3 g - 17 k = 54

f (x) = 3^{x}

\frac{5 x ^{2} + 5}{x ^{2} + 4 x + 4}

What is the domain of sqrt(9+x^2) ?
The domain of sqrt(9+x^2) is -infinity <x<infinity