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Shane is trying to find the 5th term of a sequence where f(1)=4 and f(n)=2*f(n-1)+1 for each whole number greater than one. He reasons that he can find the 5th term by calculating (4*2*2*2*2)+1. Explain Shane's error

Note I am doing this for Shane not me

Respuesta :

snow44
Just try to explain that by solving this in order, you can get the answer. Look:
f(2) = 9
f(3) = 19
f(4) = 39
f(5) = 79

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