What is the domain of f(x)=(3x+6)/x ?

The domain of f(x)=(3x+6)/x is x 0

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domain of f(x)=(3x+6)/x

domain

f (x) = \frac{3 x + 6}{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 = - 2 x - 3

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

f (x) = 3 x^{2} - 9 x

\frac{1}{x ^{2}}

x + y = 2

What is the domain of f(x)=(3x+6)/x ?
The domain of f(x)=(3x+6)/x is x<0\lor x>0