Answer:
D
Step-by-step explanation:
A recursive rule for a geometric sequence:

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The exciplit rule:

Substitute:

Count how many squares are shaded in and choose the corresponding fraction i guess?
Answer:
x = 4
Step-by-step explanation:
used a calculator i hope this helps <3
Answer: D
1/2x-1+4=x
1/2x-x=-3
-1/2x=-3
x=6