Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = -x2(x + 9)(x2 + 1)

Question

A. 0, touches the x-axis and turns around;
9, crosses the x-axis
B. 0, touches the x-axis and turns around;
-9, crosses the x-axis;
-1, touches the x-axis and turns around
C. 0, touches the x-axis and turns around;
-9, crosses the x-axis
D. 0, touches the x-axis and turns around;
-9, crosses the x-axis;
-1, crosses the x-axis;
1, crosses the x-axis;

Answer 1

Answer: C