What is the domain of f(x)=(e^x)/(4+e^x) ?

The domain of f(x)=(e^x)/(4+e^x) is -infinity <x<infinity

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domain of f(x)=(e^x)/(4+e^x)

domain

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

49 - s^{2}

f (x) = 2 (x + 3)^{2} - 5

- \frac{b - 2 y}{y}

f (x) = - 4 - 2 x - 3

What is the domain of f(x)=(e^x)/(4+e^x) ?
The domain of f(x)=(e^x)/(4+e^x) is -infinity <x<infinity