for an expression or relation to be a function, it must not have any x-coordinate values repeated, let's check this one

here is the answer I just took a picture because I already answered this for someone eles
Answer
0.5
Step-by-step explanation:
Answer:
n ≥ 1/4
Step-by-step explanation:
I wish I could add a picture, but I can't, so you'll have to graph it by yourself.
Answer:
= 14X + 6
Step-by-step explanation: