Answer:
I can't see the fourth option, but the answer would be C.
Step-by-step explanation:
It's the only graph that fits the question.
18: x=2 y=2.5
19: y = 0.5
2(2)=4
2.5(2)=5
4+5=9
2×0.5=1
a
28
14x2=28
Therefore x=28
