Answer:
my brain says (c) or (b) so, my answer would be (C)
Step-by-step explanation:
At the beginning it was 22 inches below normal (-22).
Then it decreased by 3 1/6 (-19/6).
Then increased by 1 6/7 (+13/7)
-22 - 19/6 + 13/7
-924/42 - 133/42 + 78/42
-1057/42 + 78/42
-979/42
-23 13/42
It was 23 13/42 inches below normal after April.
The next three terms are 44,58,74
Axis of symmetry -3 and -8 or 3 and -8
