Explicitly writing the formula one finds that it corresponds to [tex]f(n) = f(1)+2^{(n-1)}[/tex]
Given the following information about this formula we have:
How to calculate the formula explicitly?
The information from the utterance must be used and thus always decrease one from the original function. In that case:
[tex]f(1) = f(1)+2^0 = 0\\f(2) = f(1)+2^1 = 2\\f(3) = f(2)+2^2 = 4\\f(4) = f(3)+2^3 = 8\\f(n) = f(1)+2^{(n-1)}[/tex]
See more about formula at brainly.com/question/20748250
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