What is the domain of f(x)=sqrt9−x2f(x) = \\sqrt{9 - x^2}f(x)=sqrt9−x2?
[−3,3][-3, 3][−3,3]
xle3x \\le 3xle3
xge−3x \\ge -3xge−3
(−infty,−3]cup[3,infty)(-\\infty, -3] \\cup [3, \\infty)(−infty,−3]cup[3,infty)