Shane is trying to find the 5th term of a sequence where f (1) = 4 and f (n) = 2f (n-1) + 1 for each whole number greater than one. He reasons that he can find the 5th term by calculating (42*222) + 1. Explain Shane's error

Note I am doing this for Shane not me

Question

26 September, 20:22

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Goon · Answer 1

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

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 errorNote I am doing this for Shane not me