What is the domain of f(x)=(-9)/(x^2-3x) ?

The domain of f(x)=(-9)/(x^2-3x) is x 3

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domain of f(x)=(-9)/(x^2-3x)

domain

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

x < 0 or 0 < x < 3 or x > 3

Interval Notation

(- \infty, 0) \cup (0, 3) \cup (3, \infty)

Solution steps

Find undefined (singularity) points:

x = 3, x = 0

The function domain

x < 0 or 0 < x < 3 or x > 3

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

f (x) = x^{2} + 8 x + 11

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

1 y = 3

f (x) = lo g_{3} (x - 6) + 4

What is the domain of f(x)=(-9)/(x^2-3x) ?
The domain of f(x)=(-9)/(x^2-3x) is x<0\lor 0<x<3\lor x>3