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 #1
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f(1) = 120

f(1+1) = -0.5f(1) = -0.5*120 = -60

f(2+1) = -0.5f(2) = -0.5*-60 = 30

f(3+1) = -0.5f(3) = -0.5*30 = -15

f(4+1) = -0.5f(4) = -0.5*-15 = 7.5

 

So, f(5)=7.5

 Jun 14, 2018

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