What is the domain of f(x)=(e^x)/(1+e^{2x)} ?

The domain of f(x)=(e^x)/(1+e^{2x)} is -infinity <x<infinity

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domain of f(x)=(e^x)/(1+e^{2x)}

domain

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

\frac{x}{18 x ^{2} - 33 x - 40}

f (x) = x + 6 - 8

sin (arccos (x - 1))

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

What is the domain of f(x)=(e^x)/(1+e^{2x)} ?
The domain of f(x)=(e^x)/(1+e^{2x)} is -infinity <x<infinity