28．（2023•玉林三模）已知函数$f(x)=e^{-x}-e^{x}$，若函数$h(x)=f(x-4)+x$，数列$\{a_{n}\}$为等差数列，$a_{1}+a_{2}+a_{3}+\dotsb +a_{11}=44$，则$h(a_{1})+h(a_{2})+\dotsb +h(a_{11})=$[　44　]．