What is the domain of f(x)=11−x2f(x) = \frac{1}{\sqrt{1-x^2}}f(x)=1−x21?
(−1,1)(-1, 1)(−1,1)
[−1,1][-1, 1][−1,1]
R\mathbb{R}R
[0,1][0, 1][0,1]