Which statement best describes the function below? f(x)= x3 - x2-9x+9
A. It is a many-to-one function.
B. It fails the vertical line test.
C. It is not a function.
D. It is a one-to-one function.

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old