What is the domain of f(x)= 1/(10x-20) ?

The domain of f(x)= 1/(10x-20) is x 2

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domain of f(x)= 1/(10x-20)

domain

f (x) = \frac{1}{10 x - 20}

x < 2 or x > 2

Interval Notation

(- \infty, 2) \cup (2, \infty)

Solution steps

Find undefined (singularity) points:

x = 2

The function domain

x < 2 or x > 2

f (x) = \frac{3 - x + 2}{5 - x}

f (x) = \frac{- 4 x + 7}{5 x - 2}

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

f (x) = \frac{x + 5}{x - 5}

- - x - 2

What is the domain of f(x)= 1/(10x-20) ?
The domain of f(x)= 1/(10x-20) is x<2\lor x>2