Answer:
u forgot to write the equations
1.f=x2+4 --------
4x2+3x
i dont know the second one sorry
Answer
i believe the answer would be the third photo if the third photo for you is the one that doesn’t pass the vertical line test
Explanation
if the relation is a function no two pints should touch going down hence the vertical line test
hope this helps and have a wonderful day :)