Let $x_1, x_2, \ldots, x_n$ be non-negative real numbers such that $\sum_{i=1}^{n} x_i = 1$. What is the maximum possible value of $\sum_{i=1}^{n} \sqrt{x_i}$? (A) 1 (B) $\sqrt{n}$ (C) $n^{3/4}$ (D) $n$
Let $x_1, x_2, \ldots, x_n$ be non-negative real numbers such that $\sum_{i=1}^{n} x_i = 1$. What is the maximum possible value of $\sum_{i=1}^{n} \sqrt{x_i}$?\\
(A) 1\\
(B) $\sqrt{n}$\\
(C) $n^{3/4}$\\
(D) $n$