Level:
Project ID:
9000022306
Accepted:
1
Clonable:
0
Easy:
0
Using the graph of the function \(f(x)= -x^{2} - 2x + 8\)
solve the following inequality.
\[
-x^{2} - 2x + 8\leq 5
\]
\(\left (-\infty ,-3\right ] \cup \left [ 1,\infty \right )\)
\(\left (-\infty ,-4\right ] \cup \left [ 2,\infty \right )\)
\(\left [ -3,1\right ] \)
\(\left [ -4,2\right ] \)