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

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

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domain of f(x)=sqrt(x^2-121)

domain

f (x) = 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

4 x + 3

f (x) = - 3 x^{2} + 24 x

f (x) = 3 x + sin (3 x)

f (x) = \frac{x ^{2} + 1}{x + 1}

x^{3} - x^{2} - 5 x + 7

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