What is f(x) when eg(adsbygoogle = window.adsbygoogle || []).push({});

x = 0, 1, 2, 3, 4, 5, 6, etc

y = 0, 8, 12, 14, 15, 15.5, 15.75 etc (the y value at x =1 is arbitrary)

ie each successive y value adds half the difference of the preceding 2 values.

(It is effectively the inverse of a first order exponential decay where the y value halves at constant x intervals).

But it doesn’t fit an exponential ....! Could it be a type of hyperbola? or polynomial? or both? or something else entirely?

I have no decent curve fitting software and struggling to find this.

Thank you!

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# Simple curve - not so simple function?

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