What is the domain of f(x)=-1/(sqrt(x+8)) ?

The domain of f(x)=-1/(sqrt(x+8)) is x>-8

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domain of f(x)=-1/(sqrt(x+8))

domain

f (x) = - \frac{1}{x + 8}

x > - 8

Interval Notation

(- 8, \infty)

Solution steps

Find non-negative values for radicals:

x \geq - 8

Find undefined (singularity) points:

x = - 8

Combine real regions and undefined points for final function domain

x > - 8

(x - 3)^{2} + 2

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

f (x) = \frac{( 1 - 5 t )}{6 + t}

f (x) = - 2 x^{5} - 3

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

What is the domain of f(x)=-1/(sqrt(x+8)) ?
The domain of f(x)=-1/(sqrt(x+8)) is x>-8