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

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

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

domain

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

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

20 x^{4} - 120 x^{2}

f (x) = - 2 sec (\frac{π x}{2})

(2, 10), (8, 2)

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

f (x) = (5 - e^{x})^{2}

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