Question

Help needed

which statement best describes the function below?

f(x)= x³-x²-9x+9

A) its a one to one function
B) its a many to one function
C) it fails the vertical line test
D) its not a function

Answer 1

f(x)= x³-x²-9x+9 has x², so it will be many to one function ( one value of y will correspond several values of x).

Answer is B.