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

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

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

domain

f (x) = \frac{- 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

f (x) = \frac{3}{x ^{4} + 7 x + 1}

f (x) = \frac{10 x}{x ^{2} + 49}

f (x) = 6 x - 4 y = 24

(- 1.8) (4.3)

6 x + 3 y = 6

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