What is the domain of f(x)=(x+4)/(-x-3) ?

The domain of f(x)=(x+4)/(-x-3) is x -3

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domain of f(x)=(x+4)/(-x-3)

domain

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

x < - 3 or x > - 3

Interval Notation

(- \infty, - 3) \cup (- 3, \infty)

Solution steps

Find undefined (singularity) points:

x = - 3

The function domain

x < - 3 or x > - 3

y = 3 x^{2} - 2

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

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

f (x) = \frac{4 x + 9}{3 x - 4}

y = \frac{1}{x}

What is the domain of f(x)=(x+4)/(-x-3) ?
The domain of f(x)=(x+4)/(-x-3) is x<-3\lor x>-3