[line cap=round,line join=round,>=triangle 45,x=1.0cm,y=1.0cm] \begin{axis}[ x=1.0cm,y=1.0cm, axis lines=middle, ymajorgrids=true, xmajorgrids=true, xmin=-4.3, %%%%% x的最小值 xmax=9.78, %%%%% x的最大值 ymin=-2.4199999999999986, %%%% y的最小值 ymax=6.3, xtick={-...