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

The domain of f(x)= 1/(1+e^{1/x)} is x 0

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

domain

f (x) = \frac{1}{1 + e ^{\frac{1}{x}}}

x < 0 or x > 0

Interval Notation

(- \infty, 0) \cup (0, \infty)

Solution steps

Find undefined (singularity) points:

x = 0

The function domain

x < 0 or x > 0

f (x) = \frac{( x - 8 )}{( x + 8 )}

cos (2 x + 5)

\frac{x ^{2} + 5 x + 4}{x ^{2} + 3 x + 2}

f (x) = \frac{2 x - 1}{x - 7}

f (x) = 2 x^{3} - 3 x^{2} + 5 x - 6

What is the domain of f(x)= 1/(1+e^{1/x)} ?
The domain of f(x)= 1/(1+e^{1/x)} is x<0\lor x>0