Level:
Project ID:
2000000702
Accepted:
0
Clonable:
0
Easy:
1
Use the given graph of the function \(f: y=-x^2-1\) to solve the inequality \(-x^2-1\leq 0\).
\(x \in \mathbb{R}\)
\(x \in \emptyset\)
\(x \in (-1;1)\)
\(x \in (-\infty;-1)\cup(1;\infty)\)