What is the domain of f(x)=sqrt(\sqrt{x-4)-4} ?

The domain of f(x)=sqrt(\sqrt{x-4)-4} is x>= 20

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domain of f(x)=sqrt(\sqrt{x-4)-4}

domain

f (x) = x - 4 - 4

x \geq 20

Interval Notation

[20, \infty)

Solution steps

Find non-negative values for radicals:

x \geq 20

The function domain

x \geq 20

6 x + 3 y = 2

f (x) = \frac{2 x - 8}{x ^{2} - 2 x - 3}

y = - 6 x + 8, (7, - 3)

What is the domain of f(x)=sqrt(\sqrt{x-4)-4} ?
The domain of f(x)=sqrt(\sqrt{x-4)-4} is x>= 20