Well, we know that the x-intercepts are (0,2) and (0,4). That means that the midpoint is just (0,3)
You can also use the midpoint formula:

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Answer:
c
Step-by-step explanation:
Because
is 1 the equation turns into...
which equals...

and
is just c
3/9 because it is the same as 1/3 or 2/6.