thx yalll imma pass this test ill help anybody just help me first

Answer:
choice 2
Step-by-step explanation:
x values are domain
y values are range
start by ordering them from greatest to least
if x values don't repeat, it is a function
Answer:
second answer choice
Step-by-step explanation:
domain- x values
range- y values
it is a function because for every x there is only one y