What is the domain of f(x)=(|x|)/(|x|+1) ?

The domain of f(x)=(|x|)/(|x|+1) is -infinity <x<infinity

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domain of f(x)=(|x|)/(|x|+1)

domain

f (x) = \frac{∣ x ∣}{∣ x ∣ + 1}

- \infty < x < \infty

Interval Notation

(- \infty, \infty)

Solution steps

Find undefined (singularity) points:

No real undefined points

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

- \infty < x < \infty

81 x - 80

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

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

f (x) = tan (\frac{π}{4} x)

\frac{x - 1}{5 - x}

What is the domain of f(x)=(|x|)/(|x|+1) ?
The domain of f(x)=(|x|)/(|x|+1) is -infinity <x<infinity