Answer:
Option first is correct. !
Step-by-step explanation:
When the graph of the function moves to the same direction that is when it opens up or open down then function is of even degree
Here we can see that first of the options in given graphs moves to downwards from both left and right side that is same direction therefore this graph is of even degree.
In rest of the options we can see that from left and right end graph moves in opposite direction.
