Question 1 Which statement below is an example of a function?
Number of students in a class and length of the class period
B
Mike has $1 and orders from the dollar menu at McDonalds
The vending machine button and the snack item that comes out the machine.
D
Students' heights and their grade point average

C

Step-by-step explanation:

A function is where each input has a single output.

(A) There can be a different amount of students in a class (e.g. 21 or 22) that have the same class length

(B) There can be multiple things that Mike can order with $1

(D) There can be multiple students have the same GPA

(C) There is one button for each snack item