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

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

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

domain

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

f (x) = 2^{x + 1} + 3

f (x) = x (ln (x))^{2}

f (x) = (\frac{1}{2})^{x} + 3

f (x) = - 3 ln (x)

f (x) = (x - 1)^{2} + 1

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