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

The domain of f(x)=(x^2-2x-3)/x is x 0

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

domain

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

3 x^{3} - \frac{1}{5} x^{5}

f (x) = \frac{x}{9 x ^{2} + 8 x - 1}

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

(1, 4), (3, - 1)

m = \frac{5}{8}

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