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loverofkitties345 loverofkitties345
  • 16-02-2017
  • Mathematics
Answered

if f(n)=f(n-1)+8 and f(1)=7, what is f(50)

Verified Answer :

LammettHash
LammettHash LammettHash
  • 16-02-2017

\(f(n)=f(n-1)+8=f(n-2)+2\times8=f(n-3)+3\times8=\cdots=f(1)+(n-1)\times8\)

Since \(f(1)=7\), you have

\(f(50)=f(1)+(50-1)\times8=399\)

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