I)=,dd +(I)  1Courier NewSymbol New1Courier New1Courier NewTimes New RomanTimes New Roman1Courier New1Courier New1Courier New1Courier New S FV S FV S FV S FV ?/ <```@@@?~~~~~ԱޱޱԱ޿޿ph (((Pdd{d<_ p {2?H7A`033333@33333333333333@fffffff@5^I @???@@@@@@033333??@^ߛOw?̌???sG@ DTm@@?@ @@@hNB??@?@?@@dddddddddddddddddddddddddddddddddddddddd d2??h!@$$$@@???????@:v}?  诿`z@4˵P -(3/2)(t)+7-t4(x,y) = (-(3/2)(t)+7,-t); 2.000000 <= t <= 6.0000006.000002.00000;6.000001P1P2???$$$@?????? õĵŵƵǵ ȵ$ɵ|˵: ̵@̵輿-2-64-6seg (-2,-6) to (4,-6)2???$$$@@?????? $(,048d}̵}l:ϵ̵4-64-2seg (4,-6) to (4,-2)xyzJXT@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ @ @(x,y) = (-(3/2)(t)+7,-t); 2.000000 <= t <= 6.00000000?(fffffff@effffffhn=@Dxseg (-2,-6) to (4,-6)0.05)(3333333@ffffffff{O6@xseg (4,-6) to (4,-2) OOO?(3333333@n*?ijw䔣 (