Answer:
B. 1 5/6
Step-by-step explanation:

I think the answer to your question is 15 hope this helps
As x heads off to negative infinity (towards the left side), the curve slowly approaches the horizontal line y = 1. It will never actually touch or cross this horizontal line. It simply gets closer and closer. Think of it as an electric fence of sorts.
Therefore the horizontal asymptote is y = 1
3 because the numbers for x are all different