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

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

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

domain

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

- x^{3} + 4 x^{2} + 3 x + 4

f (x) = 4^{x} + 3

f (x) = 120 (7)^{x}

f (x) = - 4 x^{3} + 6 x^{2} + 1

- 2 cos (5 x)

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