What is the domain of f(x)=(x^2+1)/(x^2) ?

The domain of f(x)=(x^2+1)/(x^2) is x 0

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domain of f(x)=(x^2+1)/(x^2)

domain

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

(1 + 5 x)^{\frac{1}{x} + 2}

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

f (x) = \frac{x - 5}{3 x - 18}

f (x) = x^{2} + 300 x - 100000

y = x - 8

What is the domain of f(x)=(x^2+1)/(x^2) ?
The domain of f(x)=(x^2+1)/(x^2) is x<0\lor x>0