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

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

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

domain

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

y = 5 x - 15

- \frac{1}{7} (x - 3)^{2} + 2

f (x) = 10 - 2 x + 3 x - 1

f (x) = \frac{3 x ^{2} - 3 x}{x ^{2} + x - 12}

f (x) = lo g_{3} (x + 3) - 1

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