Question

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Answer 1

Just plug in! We can get f(6) by just substituting f(5) into the generic f(n) formula. 

$f(6) = 0.3 * f(5) = 0.3 * 12 = 3.6$

We can then plug in f(6) again to obtain f(7). You end up getting 0.3*3.6 = 1.08