秒数联盟·高考模拟试卷

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24P151051~212?~21~42EX=Ox—+1x—+2x—+3x—+4x—=2.2121214222.¨12ᑖ©ª«¬ᦪ2x(I)a=2)¯y=/(x)ᙠ!(1,/(D)ᜐḄᑗ(H)(f(x)ᙠµL¶1,2·#ᓫ¹⌴»)”ḄW-½S(III))f(x)ᙠ¶1,e·#Ḅᨬu-.ூ/0௃/(1)0=2B=2r+!f(l)=-f(x)=^--l,Á2'XÂ.Jপ4.•.¯y=/(x)ᙠ!(1,/(I))ᜐḄᑗ/=*—J22ᓽ3x-2y-2=0.(IDᝨ*..ᙠµL¶1,2·#ᓫ¹⌴»¬ᦪ1''.f(x)20ᙠxe¶l,2·#ឤᡂ,...È◤2a-I20,/ea/{2'/(x)ᙠµL¶1,2·#ᓫ¹⌴»¬ᦪ.ᡠDa/(III)f(x)=2ax~^2xজaWOf(x)<0ᙠxG¶l,e·#ឤᡂ•V(x)ᙠµL¶1,e·#ᓫ¹⌴Ϭᦪ,•,Ð=0N+—ঝ"°

25if(x)>0,/e2a

26'./(X)ᙠµLaiᓫ¹⌴ϬᦪᙠµLp,ßà¹⌴»¬ᦪ,."ᑁâটa>jtt.f(x)20ᙠæÖe·#ឤᡂ'.f(x)ᙠµL¶1,e·#ᓫ¹⌴»¬ᦪ.,×=0ç2èa-Zé#ê=4-ë-L,2