Level:
Project ID:
9000070306
Source Problem:
Accepted:
1
Clonable:
1
Easy:
0
Given function \(f(x) = x^{4} + 6x^{3} - 24x^{2} + x + 3\), find
the intervals where \(f\)
is a strictly concave down function.
\((-4;1)\)
\((-6;2)\)
\((2;4)\)
\((-5;4)\)