What is the domain of (5x-7)/(x+8) ?

The domain of (5x-7)/(x+8) is x -8

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domain of (5x-7)/(x+8)

domain

\frac{5 x - 7}{x + 8}

x < - 8 or x > - 8

Interval Notation

(- \infty, - 8) \cup (- 8, \infty)

Solution steps

Find undefined (singularity) points:

x = - 8

The function domain

x < - 8 or x > - 8

\frac{x ^{2} - 9}{4 x + 8}

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

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

f (x) = \frac{2}{x + 9}

f (x) = 3 x^{2} - 25 x + 42

What is the domain of (5x-7)/(x+8) ?
The domain of (5x-7)/(x+8) is x<-8\lor x>-8