What is the domain of sqrt(x^2-121) ?

The domain of sqrt(x^2-121) is x = 11

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domain of sqrt(x^2-121)

domain

x^{2} - 121

x \leq - 11 or x \geq 11

Interval Notation

(- \infty, - 11] \cup [11, \infty)

Solution steps

Find non-negative values for radicals:

x \leq - 11 or x \geq 11

The function domain

x \leq - 11 or x \geq 11

\frac{x}{x ^{2} - 16}

f (x) = ∣ x - 2 ∣

f (x) = \frac{3 x ^{2} + 2 x - 1}{6 x ^{2} - 7 x - 3}

f (x) = 2 x^{3} - 113

y = 2 x^{2} - 12 x - 2

What is the domain of sqrt(x^2-121) ?
The domain of sqrt(x^2-121) is x<=-11\lor x>= 11