What is the domain of f(x)=(x-3)/(x+7) ?

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

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domain of f(x)=(x-3)/(x+7)

domain

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

lo g_{4} (x - 1)

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

g (x) = \frac{7 x}{x ^{2} - 4}

\frac{3}{4} x + 2

y = \frac{x + 9}{x ^{2} - 81}

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