What is the domain of+sqrt(x^2-7) ?

The domain of+sqrt(x^2-7) is x = sqrt(7)

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domain of+sqrt(x^2-7)

domain

+ x^{2} - 7

x \leq - 7 or x \geq 7

Interval Notation

(- \infty, - 7] \cup [7, \infty)

Solution steps

Find non-negative values for radicals:

x \leq - 7 or x \geq 7

The function domain

x \leq - 7 or x \geq 7

x e^{- 2 x}

x^{3} - 6 x^{2} + 8 x

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

x x + 3

- x^{2} - 4

What is the domain of+sqrt(x^2-7) ?
The domain of+sqrt(x^2-7) is x<=-sqrt(7)\lor x>= sqrt(7)