代码如下:
Plot[{(3600.` 2.5`[250 - 4 (10 + e)])/(
1800 - 22.5` (1 + e)^2 (5 + 3 e) -
0.75` 4[-e^2 + (2.5` + e)^2][4800 - 9.` (1 + e)^2])}, {e, 0, 7},
PlotLegends -> "Expressions", AxesLabel -> {"e", "p1"},
LabelStyle ->
Directive[15, FontFamily -> "Times New Roman", FontColor -> Black],
ImageSize -> {300}]
![](http://tiebapic.baidu.com/forum/w%3D580/sign=7b664e0e358da9774e2f86238050f872/3bcc7a1ed21b0ef42a2315639bc451da80cb3ed6.jpg?tbpicau=2024-07-01-05_8666684c6820ddab963acc107b6afab6)