2022年安徽省江淮名校高考数学联考试卷（文科）（5月份）（附答案详解）

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2022
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1421.ூ¥ᫀ௃v3(1)§ᦪ/(x)Ḅ©ª(0,+8)./(X)=3-(2-a)-ax=3[2-(2-a)x—a®2]=-^(x—l)(ax+2).[a20¯°00°x>1,ᑣ/''(>)0,f(x)ᙠ(0,+8)ᓫ¸⌴º.[X21°0<¼<1ᡈx>—ᑣ/'(x)>0;°l1,ᑣ/''(%)>0°X|0),g'(x)=1-3=1,01¯g'(x)>0,ᡠg(x)ᙠ(0,1)ᓫ¸⌴»ᙠ(1,+8)ᓫ¸⌴ºᡠg(x)>g(l)=0,ᓽ"<%-1,[ÈÉ[=1¯ÊËᡂ;.a>0¯f(x)ᙠ(0,1)ᓫ¸⌴ºᙠ(1,+8)ᓫ¸⌴».ᵫ⚪ÎÏᨵÑ(W=/(1)=3஺-2>0,ᓽa>4[0cxe;¯2(x—1)<(2—a)x,B|12/nx<(2—a)x,ᡠ/(x)=2lnx—(2—a)x-^ax2<0,/(a)—2Ina—(2—a)a—|a3<2(a—1)—(2—a)a—|a3=a2—a3—2=a2(l—ia)-2=a2(^)-2<0,ᡠ§ᦪ/(x)ᙠ(0,1),(1,a)ᔜᨵXÔÕ/(x)=0ᨵÖÔ×LḄv.ᡠaḄØÚ(4,+8).

15ூv᪆௃(1)>/''(%)=-^(x-l)(ax+2),ÛÜᦪaᑖa>0>a=—2ஹ-2;1(x)Ḅᓫ¸ឋ(2)ᐜâãInxWx-1,ä⚪Îà>åæ(x)=/(1)=^a-2>0,ᓽa>4,çXèᑖ᪆à>éᦪaḄØÚ.⚪ὃᑭᵨêᦪẆì§ᦪḄᓫ¸ឋ!ᨬὃ§ᦪ!îï!ᑖÝÞßîïḄÃᔠᵨñcòóîô_!ᦪ_Êᦪ᪶ö÷ø⚪.22.ூ¥ᫀ௃v3প••CḄÜᦪn:ûজÜᦪ)nCḄýþᵨ+¼L•••Ḅ᩽ᙶ᪗pcos(e+9=V2,HPpcos©-psin3=2,•••IḄᙶ᪗*-y=2.(2"Ḅ45஺,ᦪ(tᦪ)x=2+t,y=ᐭCḄᙶ᪗,=1612᦮ᳮ7t2+12&t-72=0,/>0.$A,B%&'(Ḅᦪᑖ*t2,ᑣ"t2=—ᵫ-.ᦪḄ/01234\PA\-\PB\=ItJ-|t|=y.2ூ6᪆௃(1)9ᑭᵨ<ᣚᐵ?ᙠᦪ᩽ᙶ᪗Bᙶ᪗CDEF<ᣚG(2)ᑭᵨHᐗJK᪷B?ᦪᐵ?MḄ(ᵨNOPQ.S⚪ὃVḄ4W⌕&Yᦪ᩽ᙶ᪗Bᙶ᪗CDḄ<ᣚHᐗJK᪷B?ᦪᐵ?MḄ(ᵨZ⌕ὃV[Ḅ\]^_Bᦪ[`a^_bcd᫏⚪.14—4x,x<|4,110ᓄ14-4x>10,6x<1Gj16⚓ᐳ17⚓

16f9|ghM/'(%)>10ᓄ4x-14>10,6X>6G}~ghMf(x)210Ḅ6{x|xS1,ᡈxN6}.(2)ghM/(%)>4ឤᡂᡠ/1(x)m24Gf(x)=|2x-m2|+|2x+1-2m\>\(2x—m2)—(2x+1-2ni)|=\m2—2m+11=(m-I)?,ᡠ(m-24,6mN3,ᡈmW-1,ᡠᦪniḄ(H8,-1]u[3,+oo).ூ6᪆௃(l)m=3ᑭᵨᑖ¡¢£ᣵ¥'NOghM/(x)>10Ḅ6ᓽ3.(2)ghMf(x)>4ឤᡂh§cf(x)m>4,ᑭᵨ¥'ghMNO/(x)Ḅᨬª7n6ᐵcmḄghMᓽ3.S⚪ὃV«¬ᨵ¥'ḄghM6¢®(ᵨ¯⚪°ὃV«ghMឤᡂ(ᵨ¯⚪d᫏⚪.