POW 2024-05 is still open. (No correct solutions have been submitted.) Anyone who first submits a correct (full) solution will get the full credit.
GD Star Rating
loading...
loading...
POW 2024-05 is still open. (No correct solutions have been submitted.) Anyone who first submits a correct (full) solution will get the full credit.
Let \(f_n(t)\), \(n=1,2…\) be a sequence of concave functions on \(\mathbb{R}\). Assume \(\liminf_{n\to\infty} f_n(t) \geq 2024\,t^{5}+3\) for \(t\in [-1, 1]\) and \(\lim_{n\to \infty} f_n(0) = 3\). Suppose \(f_n'(0)\) exist for \(n=1,2,…\). Compute \(\lim_{n\to \infty} f_n'(0)\).