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

The domain of f(x)=sqrt((1-x)/(1+x)) is -1<x<= 1

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domain of f(x)=sqrt((1-x)/(1+x))

domain

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

- 1 < x \leq 1

Solution steps

Find non-negative values for radicals:

- 1 < x \leq 1

Find undefined (singularity) points:

x = - 1

Combine real regions and undefined points for final function domain

- 1 < x \leq 1

f (x) = ln (e^{x - 3} - 4)

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

f (x) = 3 (0.5)^{x}

\frac{1}{x} - 2

f (x) = \frac{3 x ^{2} - 12 x}{x ^{2} - 5 x + 4}

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