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

The domain of f(x)=((-1))/x is x 0

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

domain

f (x) = \frac{( - 1 )}{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) = 5 - 2 x + 4

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

∣ x + 4 ∣

f (x) = \frac{x - 4}{x ^{2} - 25}

\frac{5 x ^{2}}{3 + x}

What is the domain of f(x)=((-1))/x ?
The domain of f(x)=((-1))/x is x<0\lor x>0