What is the domain of (5x+30)/(x+7) ?

The domain of (5x+30)/(x+7) is x -7

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domain of (5x+30)/(x+7)

domain

\frac{5 x + 30}{x + 7}

x < - 7 or x > - 7

Interval Notation

(- \infty, - 7) \cup (- 7, \infty)

Solution steps

Find undefined (singularity) points:

x = - 7

The function domain

x < - 7 or x > - 7

f (x) = 9 x + 2

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

f (x) = - \frac{1}{2} x + 2

ln (\frac{1}{x ^{2} - 4})

\frac{1}{6.1 x - 3.5 x ^{2}}

What is the domain of (5x+30)/(x+7) ?
The domain of (5x+30)/(x+7) is x<-7\lor x>-7