Answer:

I don't really remember this very well, because it confusing me
Hello!
I have attached three graphs. The first one for x = 7, second one for y = -1, and third one with both x = 7 and y = -1 on the same graph.
Hope this helps :))
Answer:

Step-by-step explanation:
I have attached the explanation above. hopefully this will help
Answer: c
Step-by-step explanation: