\documentclass[12pt]{jsarticle}
\usepackage{amsmath,amssymb}
\pagestyle{empty}
\begin{document}
\setlength{\baselineskip}{22pt}
\begin{flushleft}
{\huge 2}
　$-4 \leqq x \leqq 1$の範囲で，関数
\[ f(x)=\int_x^{x+1}|(t+1)(t+2)|dt \]
の最大値と最小値を求めよ．
\end{flushleft}
\end{document}
