The graph of f(x) = x3 + x2 - 9x - 9 is shown. Based on the graph, what are the solutions of x3 + x2 -
9x - 9 = 0?
15
12
O x=-1,3
O x = -3,-1
O X=-3,-1,3
O x = -9, -3,-1,3
9+
6
3
5 3 2
x
-9
-12
-15