Question

Which sentence best describes the function below? F(x) = x^3 - x^2 -9x + 9 A. It fails the vertical line test B. It is a one-to-one function C. It is not a function D. It is a many-to-one function

Answer 1

D

Explanation:

This function graphed as the picture attached below show is a function. It passes the vertical test. However, it does not pass the horizontal line. This means the function is not one-to-one but many-to -one.