What is the domain of sqrt(x^2-144) ?

The domain of sqrt(x^2-144) is x = 12

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domain of sqrt(x^2-144)

domain

x^{2} - 144

x \leq - 12 or x \geq 12

Interval Notation

(- \infty, - 12] \cup [12, \infty)

Solution steps

Find non-negative values for radicals:

x \leq - 12 or x \geq 12

The function domain

x \leq - 12 or x \geq 12

4 x - x^{2}

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

f (x) = 7 - 3 x^{3}

\frac{1}{x ^{2}}

\frac{x ^{2} + 7 x + 1}{2 x ^{2} - 5 x - 3}

What is the domain of sqrt(x^2-144) ?
The domain of sqrt(x^2-144) is x<=-12\lor x>= 12