Answer:
i think the first one?
Step-by-step explanation:
i dont think its the second or fourth, so most likely the first one, a line joining points
Answer: 9210
Step-by-step explanation:
Answer:

Step-by-step explanation:
Multiply across.

Then Simplify.

Answer:
100000 = 8 (4) ^t
Step-by-step explanation:
We are multiplying by 4 each time
y = a (4)^t
The initial amount is 8
y = 8 (4)^t
We want to get to 100000
100000 = 8 (4) ^t