What is the domain of 1/(1+e^x) ?

The domain of 1/(1+e^x) is -infinity <x<infinity

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domain of 1/(1+e^x)

domain

\frac{1}{1 + e ^{x}}

- \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

lo g_{6} (2 x - 4)

f (x) = \frac{x ^{2} - 1}{x ^{2} - 3}

f (x) = 8 x^{2} - 77 x + 45

f (x) = \frac{2 x ^{2} - 5 x - 12}{x ^{2} - 2 x - 8}

\frac{3 x ^{2} + 5 x - 6}{x ^{2} - 9}

What is the domain of 1/(1+e^x) ?
The domain of 1/(1+e^x) is -infinity <x<infinity