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

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

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domain of f(x)=(2^x-1)/(2^x+1)

domain

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

- \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{2 - x}{x + 2}

- \frac{x - 2}{3} + 1

- 3 x - 1

\frac{5 x}{7 x - 2}

f (x) = \frac{x ^{2} - 4 x + 3}{x ^{2} - 1}

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