*20 POINTS PLEASE HELP!!!!!!*

Answer:
-2x^7 + ...
Step-by-step explanation:
When the end behaviors are different, the function is one of odd degree. When the slope is downward to the right, the leading coefficient (the coefficient of the highest-degree term) is negative.
The one function shown with an odd degree and a negative leading coefficient is the one that starts ...
-2x^7 + ...