What is the domain of f(x)=3+1/(x^2) ?

The domain of f(x)=3+1/(x^2) is x 0

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domain of f(x)=3+1/(x^2)

domain

f (x) = 3 + \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}{4} x + 2 - 3

\frac{x ^{2} - 3}{ln ( x ^{2} - 3 )}

f (x) = - cos (x)

3 \cdot e^{- 5 x}

What is the domain of f(x)=3+1/(x^2) ?
The domain of f(x)=3+1/(x^2) is x<0\lor x>0