If 9i is a root of the polynomial function f(x), which of the following must also be a root of f(x)?
A. –9i
B. -1/9i
C. 1/9i
D. 9 – i

Respuesta :

Answer:

A

Step-by-step explanation:

Edge 2020

Answer:

-9i on edge 2022

Step-by-step explanation: