Answer:
○ 
Step-by-step explanation:

I am joyous to assist you at any time.
2 or a few months. This should be the answer
One thing everyone always forgets is we don't usually see the <em>entire</em> graph. Once out of the frame, these functions can do anything they want.
From what we can see, only the bottom right one is always decreasing.
Answer: bottom right
By the way, the top right graph (a vertical line) isn't a function.
Answer:
-70
Step-by-step explanation: