Level:
Project ID:
2010012204
Source Problem:
Accepted:
0
Clonable:
1
Easy:
0
Find all the values of the real parameter \( m \) such that \( f(x)=-2(x-m)^2-5\) is decreasing on \( (0;\infty) \).
\( m\in(-\infty;0] \)
\( m\in [0;\infty) \)
\( m\in(-\infty;-5] \)
\( m\in(-\infty;5] \)