1) I'm not sure what an open operation is.
2) D
3) No
4) Yes
5) D
6) hmm
7) there doesn't seem to be a 6 or 7
8) C
Refer to the image that I attached to my answer.
According to the graphing calculator, the two equations have two points of intersections (the points where the different colored lines cross).
Happy Studying~
Answer:
the last one it goes in the opposite direction
If the highest power of the numerator is less than the highest power of the denominator, then the limit as it approaches infinity is zero
Hope that helps!