What is the domain of f(x)= 2/(1-x) ?

The domain of f(x)= 2/(1-x) is x 1

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domain of f(x)= 2/(1-x)

domain

f (x) = \frac{2}{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

lo g_{9} (x^{2} - 16)

\frac{2 x + 1}{x ^{2} - 9}

\frac{3 x - 8}{25}

2 (x - 2)

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

What is the domain of f(x)= 2/(1-x) ?
The domain of f(x)= 2/(1-x) is x<1\lor x>1