Use algebraic and/or graphical methods to solve the inequality.
-x^(3)-6x^(2)-9x<=0Choose the correct answer below. A. The solution is
x=-3. B. The solutions are the values of
xin the interval
[0,\infty )as well as the point
x=-3. C. The solutions are the values of
xin the interval
[0,\infty ). D. There is no solution.
