What is the domain of f(x)=3(3/x)+12 ?

The domain of f(x)=3(3/x)+12 is x 0

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domain of f(x)=3(3/x)+12

domain

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

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) = sec (x)

y = cos (x)

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

f (x) = 3 x^{2} - 12 x + 16

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

What is the domain of f(x)=3(3/x)+12 ?
The domain of f(x)=3(3/x)+12 is x<0\lor x>0