A is a function because you have a different value for x.
B is not a function because you can't have the x value have a number twice, in this case it's 2.
C is not a function for the same reason as B.
D is a function because there is always a different x value.
Hope I didn't mess up for your sake
Desmond ran the further distance because Betty ran 2/4 and Desmond ran 3/4
Answer:
9
Step-by-step explanation:
Wouldn't it be B ??? Hope this is right:) can you take a look at mine??