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

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

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

domain

f (x) = \frac{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

(- 2, - 3), (- 1, 2)

f (x) = sin (π x)

f (x) = \frac{8 x + 9}{x - 4}

f (x) = x (x - 1) (x - 2)

f (x) = 2 sin (π x + 5) - 3

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