What is the domain of f(x)=(8+x)/(x+9) ?

The domain of f(x)=(8+x)/(x+9) is x -9

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domain of f(x)=(8+x)/(x+9)

domain

f (x) = \frac{8 + 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

x^{2} + 8

\frac{4}{x ^{2} - 9}

f (x) = 3 (12 - x)

5 x - 2 y = 0

y = x^{2} - 4 x - \frac{1}{2}

What is the domain of f(x)=(8+x)/(x+9) ?
The domain of f(x)=(8+x)/(x+9) is x<-9\lor x>-9