What is the domain of f(x)=(4x)/(x+1) ?

The domain of f(x)=(4x)/(x+1) is x -1

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domain of f(x)=(4x)/(x+1)

domain

f (x) = \frac{4 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) = 7 x^{3} - 3 x^{2} + 1

- 7 cos (2 x)

y = 1. 1^{x}

1 + ln (x - 4)

(7, 3), (- 2, - 2)

What is the domain of f(x)=(4x)/(x+1) ?
The domain of f(x)=(4x)/(x+1) is x<-1\lor x>-1