What is the domain of f(x)=(x+4)/(x+5) ?

The domain of f(x)=(x+4)/(x+5) is x -5

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domain of f(x)=(x+4)/(x+5)

domain

f (x) = \frac{x + 4}{x + 5}

x < - 5 or x > - 5

Interval Notation

(- \infty, - 5) \cup (- 5, \infty)

Solution steps

Find undefined (singularity) points:

x = - 5

The function domain

x < - 5 or x > - 5

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

sin (\frac{1}{x})

f (x) = - (x + 1)^{2}

y = - 3 - 2 x + 8 + 5

f (x) = arccos (\frac{x}{2} + 1)

What is the domain of f(x)=(x+4)/(x+5) ?
The domain of f(x)=(x+4)/(x+5) is x<-5\lor x>-5