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

5 cos (2 x + \frac{π}{2})

f (x) = \frac{x + 2}{x + 9}

(10.3) (30.1)

f (x) = (x - 8)^{2}

(- 6, 4), (6, - 1)

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