Question: In a digital learning platform, student engagement $ E(t) $ over time $ t $ (in weeks) during a physics module is modeled by a function satisfying $ E(t+1) - E(t) = 2t + 1 $ for all integers $ t $, with $ E(0) = 0 $. Find $ E(10) $.

Sat, 02 May 2026 22:13:55 +0000

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