What is the domain of (x+8)/(4x+12) ?

The domain of (x+8)/(4x+12) is x -3

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domain of (x+8)/(4x+12)

domain

\frac{x + 8}{4 x + 12}

x < - 3 or x > - 3

Interval Notation

(- \infty, - 3) \cup (- 3, \infty)

Solution steps

Find undefined (singularity) points:

x = - 3

The function domain

x < - 3 or x > - 3

\frac{x ^{2} + 1}{x + 3}

\frac{x ^{2} - 4 x}{x ^{2} + 8 x + 16}

f (x) = \frac{3 x}{x}

f (x) = \frac{x + 1}{x + 3}

f (x) = lo g_{10} (7 - x)

What is the domain of (x+8)/(4x+12) ?
The domain of (x+8)/(4x+12) is x<-3\lor x>-3