What is the domain of f(x)=(x^2-4x+2)/x ?

The domain of f(x)=(x^2-4x+2)/x is x 0

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domain of f(x)=(x^2-4x+2)/x

domain

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

x < 0 or x > 0

Interval Notation

(- \infty, 0) \cup (0, \infty)

Solution steps

Find undefined (singularity) points:

x = 0

The function domain

x < 0 or x > 0

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

f (x) = 10 (1.5)^{x}

f (x) = - x^{2} - 3 x - 2

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

What is the domain of f(x)=(x^2-4x+2)/x ?
The domain of f(x)=(x^2-4x+2)/x is x<0\lor x>0