Question 159
Let $x,y$ be positive real numbers. Which condition is sufficient to guarantee $x^y\gt y^x$?
(A) $1\lt x\lt y$
(B) $1\lt y\lt x$
(C) $x\lt 1\lt y$
(D) $x\lt y\lt 1$
(E) $y\lt x\lt 1$.
(A) $1\lt x\lt y$
(B) $1\lt y\lt x$
(C) $x\lt 1\lt y$
(D) $x\lt y\lt 1$
(E) $y\lt x\lt 1$.