What is the domain of f(x)=(10x)/(x+9) ?

The domain of f(x)=(10x)/(x+9) is x -9

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domain of f(x)=(10x)/(x+9)

domain

f (x) = \frac{10 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

\frac{x ^{2}}{2} + 5

f (x) = \frac{x - 3}{ln ( x - 1 )}

f (x) = (x + 2)^{2} - 5

200 - 4 x

f (x) = \frac{( x 5 ^{x} )}{5 ^{(x + 2)} - 6}

What is the domain of f(x)=(10x)/(x+9) ?
The domain of f(x)=(10x)/(x+9) is x<-9\lor x>-9