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

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

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domain of f(x)= 1/(1+e^x)

domain

f (x) = \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

f (x) = lo g_{\frac{1}{2}} (x)

arctan (e^{x})

- 3 x - 6 y = - 9

\frac{1}{sin ( x )}

f (x) = (x + 1)^{2} - 2

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