What is the domain of f(x)=(8x^2+x)/(x^2) ?

The domain of f(x)=(8x^2+x)/(x^2) is x 0

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domain of f(x)=(8x^2+x)/(x^2)

domain

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

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) = \frac{x}{2} + 4

g (y) = \frac{4}{y ^{2} - y}

f (x) = - 2 x - 3

y = \frac{5 x}{x ^{2} + 81}

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

What is the domain of f(x)=(8x^2+x)/(x^2) ?
The domain of f(x)=(8x^2+x)/(x^2) is x<0\lor x>0