What is the domain of |x+2| ?

The domain of |x+2| is -infinity <x<infinity

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domain of |x+2|

domain

∣ x + 2 ∣

- \infty < x < \infty

Interval Notation

(- \infty, \infty)

Solution steps

The function has no undefined points nor domain constraints. Therefore, the domain is

- \infty < x < \infty

y = arctanh (x)

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

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

f (x) = \frac{x ^{2} - 81}{x + 9}

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