What is the domain of f(x)=(3x)/(x+1) ?

The domain of f(x)=(3x)/(x+1) is x -1

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domain of f(x)=(3x)/(x+1)

domain

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

x < - 1 or x > - 1

Interval Notation

(- \infty, - 1) \cup (- 1, \infty)

Solution steps

Find undefined (singularity) points:

x = - 1

The function domain

x < - 1 or x > - 1

f (x) = \frac{1}{- x ^{2} + 5 x}

f (x) = 2 x - 30

\frac{2}{3} x

12 - 3 x

f (x) = lo g_{10} (4) (2 - x)

What is the domain of f(x)=(3x)/(x+1) ?
The domain of f(x)=(3x)/(x+1) is x<-1\lor x>-1