SOLUTION: If f(n+1)=2f(n)+1for every natural number n and f(1)=3, find f(11).

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Question 1174549: If f(n+1)=2f(n)+1for every natural number n and f(1)=3, find f(11).

Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.

You have an EXPLICIT formula to move from n= 1 to n= 2;

    then from n= 2 to n= 3;

    then from n= 3 to n= 4;

    then from n= 4 to n= 5,


      . . . and so on . . . 


So, do it as instructed, using the formula.


You are FULLY INSTRUCTED.