What is the domain of f(x)= x/(x+9) ?

The domain of f(x)= x/(x+9) is x -9

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domain of f(x)= x/(x+9)

domain

f (x) = \frac{x}{x + 9}

x < - 9 or x > - 9

Interval Notation

(- \infty, - 9) \cup (- 9, \infty)

Solution steps

Find undefined (singularity) points:

x = - 9

The function domain

x < - 9 or x > - 9

y = x^{2} + 5 x + 6

y = \frac{x + 1}{x}

f (x) = 3 x + 2 - 1

V (x) = 4 x^{3} - 100 x^{2} + 600 x

f (x) = x^{3} - 6 x^{2}

What is the domain of f(x)= x/(x+9) ?
The domain of f(x)= x/(x+9) is x<-9\lor x>-9