linear interpolation if
$f(1)=1 $, $f(5)=2$, $f(7)=5$.
What is $f(x)$?
I have tried with Lagrange but it doesn't work or maybe I am doing it wrong
2026-03-28 01:07:37.1774660057
linear interpolation $f(x)$ given $f(1)=1$ $f(5)=2$ and $f(7)=5$?
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