Please hel…. Which of the following relationships are likely to represent a function?
Select all that apply.

A. Input: Unique student ID number, Output: Number of years a student has been enrolled at a university

B. Input: Number of years a student has been enrolled at a university, Output: Unique student ID number

C. Input: student first name, output: student favorite color

D. Output: student first name, input: student favorite color

E. Input: Month of 2019, output: average profit of a local restaurant