B is a translation, which is moving.
A is a rotation, and C is a reflection over the x-axis.
The common ration is 12/ -4 = -3
the explicit term is (-4)* -3^(n-1)
so the 5th term is -4*-3^4 = -324
Im a bit hazy about the recursive formula
i think its a(n+1) = an * -3
Answer:
420
Step-by-step explanation: