What is the domain of f(x)=3x^{-2} ?

The domain of f(x)=3x^{-2} is x 0

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domain of f(x)=3x^{-2}

domain

f (x) = 3 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

g (x) = 3^{x} + 3

∣ x + 2 ∣

y = arctanh (x)

f (x) = lo g_{2} (\frac{6}{x + 2} + 4)

f (x) = x^{2} + x, x \geq 0