Level:
Project ID:
9000070304
Accepted:
1
Clonable:
0
Easy:
0
Given function \(f(x) = -x^{3} - 12x^{2} + 12x - 2\), find
the intervals where \(f\)
is a strictly concave up function.
\((-\infty ,-4)\)
\((-\infty ,2)\)
\((-\infty ,6)\)
\((-\infty ,12)\)