9000022306

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. \[ -x^{2} - 2x + 8\leq 5 \]
\(\left (-\infty ;-3\right ] \cup \left [ 1;\infty \right )\)
\(\left (-\infty ;-4\right ] \cup \left [ 2;\infty \right )\)
\(\left [ -3;1\right ] \)
\(\left [ -4;2\right ] \)