What is the domain of (-8x-81)/(9x+55) ?

The domain of (-8x-81)/(9x+55) is x -55/9

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domain of (-8x-81)/(9x+55)

domain

\frac{- 8 x - 81}{9 x + 55}

x < - \frac{55}{9} or x > - \frac{55}{9}

Interval Notation

(- \infty, - \frac{55}{9}) \cup (- \frac{55}{9}, \infty)

Solution steps

Find undefined (singularity) points:

x = - \frac{55}{9}

The function domain

x < - \frac{55}{9} or x > - \frac{55}{9}

- 3 x + 7

3 x^{2} + x^{6}

\frac{( x + 2 ) ( x - 1 )}{( x - 3 ) ^{2}}

f (x) = x + 5 - \frac{7 - x}{x}

What is the domain of (-8x-81)/(9x+55) ?
The domain of (-8x-81)/(9x+55) is x<-55/9 \lor x>-55/9