Answer:
4
Step-by-step explanation:
(4 * 2) - 4 = x
8 - 4 = x
x = 4
All you need to know is that

So, the first function grows exponentially and the second decays exponentially. The rate of growth/decay are the bases of the exponentials, which means 1.08 and 0.205
3088.22813276
hope this helps, you could've entered this into a calculator for next time.
Step-by-step explanation:
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