#### 157.63Question: A climatologist models the rate of ice melt $ M(t) $ at time $ t $ (in years) as $ M(t) = t - \frac{t^3}{3} $. If $ b_n $ is defined recursively by $ b_1 = 1 $ and $ b_{n+1} = M(b_n) $, compute $ b_4 $.

Sun, 03 May 2026 08:26:22 +0000

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