# Limiting Recurrence

Calculus Level 3

Let $f_n(x)$ satisfy the recurrence relation $f_n (x) =f_1 \big( f_{n-1} (x)\big)$ for $n=2,3,4, \ldots$ and $f_1 (x) = \dfrac x2 + 10$.

Evaluate $\displaystyle \lim_{n\to\infty} f(x)$.

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