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

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

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

domain

f (x) = 1 + x + 1 - x

- 1 \leq x \leq 1

Interval Notation

[- 1, 1]

Solution steps

Find non-negative values for radicals:

- 1 \leq x \leq 1

The function domain

- 1 \leq x \leq 1

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

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

x^{2} - 2 x + 5

x^{3} + x

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

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