Answer :
Answer:
#1 is a function
#2,3,4 is not a function
Step-by-step explanation:
The two of the same x values of 2, 3 & 4 have different y values.
Answer:
#1 is a function
#2,3,4 is not a function
Step-by-step explanation:
The two of the same x values of 2, 3 & 4 have different y values.