What is the domain of f(x)=(18-9x)/x ?

The domain of f(x)=(18-9x)/x is x 0

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domain of f(x)=(18-9x)/x

domain

f (x) = \frac{18 - 9 x}{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) = (x)^{- 1} = \frac{x}{7 x - 2}

f (x) = 3 e^{- 4 x}

f (p) = 280000 - 35 p

f (x) = \frac{x ^{2}}{100} + \frac{y ^{2}}{32} = 1

f (x) = 5 - 4 x + 7 x

What is the domain of f(x)=(18-9x)/x ?
The domain of f(x)=(18-9x)/x is x<0\lor x>0