1. Tigran also volunteers with national parks. He visited 72 parks in 5 years. If he tried to visit the same number each year, how many parks a year did Tigran visit? How many are left over?
at time x=0 we have 1000, at time x=1 we have 2000, at time x=2 we have 4000.
so that's an initial value of 1000 and a ratio of 2,
y = 1000 (2^x)
hope this !
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