What is the domain of f(x)=(x-3)/(x+4) ?

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

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domain of f(x)=(x-3)/(x+4)

domain

f (x) = \frac{x - 3}{x + 4}

x < - 4 or x > - 4

Interval Notation

(- \infty, - 4) \cup (- 4, \infty)

Solution steps

Find undefined (singularity) points:

x = - 4

The function domain

x < - 4 or x > - 4

y = - 2

\frac{e ^{x}}{x ^{2}}

\frac{- 3 x - 32}{8 x + 45}

\frac{x ^{2} - 49}{x ^{2} - 3 x + 2}

f (x) = x^{2} (108 - 4 x)

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