# 关系图像

{picture}(10.5,10.5)(-.5,-.5) \put(0,0){\vector(0,1){10}} \put(0,0){\vector(1,0){10}} \put(9.7,0.2){$$x$$} \put(0.2,9.7){$$y$$} \thicklines \special{color=red} \qbezier(3,2)(4,5.5)(5,9) \qbezier(5,9)(6,5.5)(7,2) \qbezier(7,2)(7.5,5)(8,8) \put(2.6,1.5){(3,2)} \put(4.6,9.2){(5,9)} \put(6.6,1.5){(7,2)} \put(7.6,8.2){(8,8)} \put(4.3,5.4){$$a$$} \put(6.3,5.6){$$b$$} \put(7.8,4.9){$$c$$} \end{picture}$ERROR 你的目标是构造方程 f(x)=f(y) 的图像, 它由线段构成. 对于图像中的每个线段, 把它的端点坐标填入下面两个方框中. 如果你的回答是正确的, 这条线段会被加到下半部的图形中. 你的得分将以你得到完整图像所需要的尝试数为依据. 第 1 次尝试 把以下线段 PQ 加到 f(x)=f(y) 的图形中 P= Q= 现在你已经构造了 f(x)=f(y) 图像的如下各部分 {picture}(10.5,10.5)(-.5,-.5) \put(0,0){\vector(0,1){10}} \put(0,0){\vector(1,0){10}} \put(9.7,0.2){$$x$$} \put(0.2,9.7){$$y$$} \thicklines \special{color=green} \end{picture}$ERROR

• Description: 已知分段线性图 y=f(x), 求 f(x)=f(y) 的图像. This is the main site of WIMS (WWW Interactive Multipurpose Server): interactive exercises, online calculators and plotters, mathematical recreation and games
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