What is the domain of f(x)=sqrt((x^2-5)) ?

The domain of f(x)=sqrt((x^2-5)) is x = sqrt(5)

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domain of f(x)=sqrt((x^2-5))

domain

f (x) = (x^{2} - 5)

x \leq - 5 or x \geq 5

Interval Notation

(- \infty, - 5] \cup [5, \infty)

Solution steps

Find non-negative values for radicals:

x \leq - 5 or x \geq 5

The function domain

x \leq - 5 or x \geq 5

- 2 x^{2} - 2

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

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

\frac{- 4 - 3 x}{7 x - 5}

y = 4^{x}

What is the domain of f(x)=sqrt((x^2-5)) ?
The domain of f(x)=sqrt((x^2-5)) is x<=-sqrt(5)\lor x>= sqrt(5)