What is the domain of f(x)=(5-x)/(x^2-4x) ?

The domain of f(x)=(5-x)/(x^2-4x) is x 4

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domain of f(x)=(5-x)/(x^2-4x)

domain

f (x) = \frac{5 - x}{x ^{2} - 4 x}

x < 0 or 0 < x < 4 or x > 4

Interval Notation

(- \infty, 0) \cup (0, 4) \cup (4, \infty)

Solution steps

Find undefined (singularity) points:

x = 4, x = 0

The function domain

x < 0 or 0 < x < 4 or x > 4

9 x + 8 y = 5

- 4 x^{2} + 12

f (x) = \frac{x + 7}{x ^{2} - 16}

f (x) = 8 x^{3} = 2

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

What is the domain of f(x)=(5-x)/(x^2-4x) ?
The domain of f(x)=(5-x)/(x^2-4x) is x<0\lor 0<x<4\lor x>4