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

The domain of f(x)=sqrt(-x-4) is x<=-4

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domain of f(x)=sqrt(-x-4)

domain

f (x) = - x - 4

x \leq - 4

Interval Notation

(- \infty, - 4]

Solution steps

Find non-negative values for radicals:

x \leq - 4

The function domain

x \leq - 4

7 x - 1

f (x) = \frac{x + 3}{x ^{2} + 4}

lo g_{4} (5 x - 9)

y = 2 x + 6 + 2 - x

f (x) = \frac{x ^{2} - 64}{x - 8}