What is the domain of f(x)=(7x+7)/(4x+12) ?

The domain of f(x)=(7x+7)/(4x+12) is x -3

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domain of f(x)=(7x+7)/(4x+12)

domain

f (x) = \frac{7 x + 7}{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{3}{x} - 1

cos (x)

f (x) = e^{2 x}

f (x) = \frac{16 x ^{2}}{x ^{4} + 64}

3 x^{3} - 36 x - 2

What is the domain of f(x)=(7x+7)/(4x+12) ?
The domain of f(x)=(7x+7)/(4x+12) is x<-3\lor x>-3