Find the range of f(x)=5−x2f(x) = 5 - x^2f(x)=5−x2.
[5,infty)[5, \\infty)[5,infty)
(−infty,5](-\\infty, 5](−infty,5]
[0,5][0, 5][0,5]
mathbbR\\mathbb{R}mathbbR