Y=X³+12X²+36X is used to find solutions of the equation X³+12X²+36X=k for various values
The maximum point is (-6,0)
The minimum point is (-2,-32)
1) Verify the point (-8,-32) is on the graph
2) Find the number of real roots of the equation when k is:
3) For what value of k does the equation have three real roots? What can you say about these roots?
any help would be fab