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Kazeer [188]
3 years ago
8

HELP ME PLEASE!!!!!!!!!!!

Mathematics
1 answer:
telo118 [61]3 years ago
5 0

Answer:

\large\boxed{f(n)=2\cdot f(n-1)+1}

Step-by-step explanation:

f(1)=5\\\\f(2)=11=2\cdot5+1=2\cdoy f(1)+1\\\\f(3)=23=2\cdot11+1=2\cdot f(2)+1\\\\f(4)=47=2\cdot23+1=2\cdot f(3)+1\\\\f(5)=95=2\cdot47+1=2\cdot f(4)+1\\\vdots\\f(n)=2\cdot f(n-1)+1

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