2022-2023学年数学人教A版必修一单元测试第三章 函数的概念与性质（A提升解析版）

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2022-2023
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10aW'(a<0ᡈ஺>1ᦑᫀcd(TO,0)=(1,-8)ூe௃f⚪ὃhi.ᦪḄj⚪klimᓄopᦪq9ᔠஹᑖstuḄᦪvop.wஹ⚪df⚪ᐳ6y⚪17⚪10ᑖᒕ{|⚪12ᑖ஺ᐳ70ᑖ}ᑏᦻஹᡈ17.(2022•ᓭ⚔•).ᦪf(l-3x)Ḅ123c4=.প;/")Ḅ1238(2)T(1)Ḅᔠ8,`(x+iᡂ;ᦪ஻Ḅ.ூᫀ௃(l)B=J-2,_4_ফTூ᪆௃ூᑖ᪆௃(1)”l—3x)Ḅ123xe1,1'¢;-2Wl-3xw1,ᓽḄ123(2)£g(x)=%2-x+l,`(஺>g(x)ᡂᓽ'mᓄcaAgGLᡂ;g(x)mmᓽ'.(1)•.•/(13”Ḅ123c4=d/.♦.4x41.!.-2<\-3x<-,ᑣ8=-2¤.4L4¤(2)£g(x)=£-X+1,

113xeB,`(a>d-x+1ᡂᓽ஺ᜧTg(x)ᙠ-2,WḄᨬy.ᦪ஺Ḅ('+818.(2022•ᔡ᪍²᧡᜜µ¶v᪥)y=/(x)12ᙠRWḄ᜻.ᦪEx20G,/(x)=-x2+2x.(1);x<0G,.ᦪ/(x)Ḅ᪆º(2).ᦪAMᙠ½¾[-1,஻-2]Wᓫ8⌴Y;ᦪ஺Ḅ.ூᫀ௃(l)/(x)=/+2xফ(1,3].ூ᪆௃ூᑖ᪆௃(1)Áx<0,Âf(-x),Ã᪷Å᜻.ᦪḄឋÇ(f(x)=஻—%),ᓽ'((2)Ê.ᦪf(x)Ḅ+Ë/X*)ᙠ½¾Wᓫ8⌴Y9ᔠ.ᦪ+ËᑡᐵT஺-2Ḅ5ϺÐ;.(1)Áx<0,ᑣ—X>0,ᡠ¢/(—x)-—(ߟ%)'+2(—x)=~X2—2xÒ(x)c᜻.ᦪᡠ¢f(x)=—/(r),ᡠ¢Ex<0G/(X)=X2+2X.(2)Ê.ᦪ/&)Ḅ+Ë᝞+ᡠKa-2>-1⌕`/(X)ᙠWᓫ8⌴Y9ᔠ/(X)Ḅ+,஽MIᡠ¢ᡠ¢஺Ḅ(1,3].

1219.(2020×Ø•ÙÚ▰ÜÝv)Þ.ᦪ/(x)=px+à(p,gcáᦪ)âNO/প=஻2)=d.x24প;.ᦪAx)Ḅ᪆º(2)Vx>0,ᐵTxḄ5Ϻ“æ23-çឤᡂ;ᦪ”Ḅ.ூᫀ௃(1)/(X)=2X+4(XH0)ফé,+8)ூ᪆௃ூᑖ᪆௃(1)᪷Å/(1),/(2)ᜐ.ᦪëᐭ᪆ºᓽ'(P4Ḅᓽ'(ᫀ.(2)ᵫ(1)'(Ax)᪆º᪷Åîf5Ϻ'(஻x)Ḅᨬyᑖ᪆ᓽ'(ᫀ.(1)5p+q='P=2({1஻2)42nd—=—C=224•••.ᦪ/(x)Ḅ᪆ºc/(x)=2x+•(xx0).2x(2)x>0,ᵫîf5Ϻ'(f(ò)=2ò+22\/20ô=2,EâõE2x=-ᓽxGÏö2x2.Ex>0,.ᦪ/(x)=2x+1Ḅᨬy2,2x⌕`÷>0,ᐵTXḄ5Ϻ/(x)Z3—mឤᡂú◤/(x)ün23-w,ᡠ¢223-(mN/.•ᦪmḄÿ1,y0)20.(2021••ᜮ□)ᦪ=,g(x)=2x+&,ᐸ(1)#ᦪ/")&Ꮤᦪ()*ᦪ஻Ḅ-.(2)#ᦪ/(x)ᙠ0,212ᐹᨵᓫ6ឋ()*ᦪaḄ9-;.(3)=”=1?(#ᙠ@A1,412(ᦪy=g(x)ḄCDឤᙠᦪy=/(x)ḄCD2F(GHI*ᦪJḄ9-;.ூLᫀ௃প஺=0Q(2){a|a>2,fl£a

13ூᑖ᪆௃(1)ᑭᵨ᜻ᏔឋḄIdᓽf.(2)ᑭᵨghᦪḄឋiᓽf.(3)ᵫ⚪lf᝕>n24o+1pq,rឤᡂt(ᯠvᑭᵨghᦪḄឋiᓽf.(1),:ḄIdx&R,#/(x)&Ꮤᦪ(ᑣVxeR,ᨵ/(-x)=f(x),••+^cix+1—x~—2dx+1»B|JVxGR,ᨵ᝖=0,67=0;(2)/*)=/2ᦋ+1CD0ᔣ2(=஻(#ᦪ/")ᙠA1,212ᐹᨵᓫ6ឋ(ᑣTV)ᙠA1,212ᓫ6⌴ᡈᓫ6⌴(ᓽ20஺ᡈa<1,•*ᦪ4Ḅ9-;ᡈ஻W1.(3)=஻=1?(f(x)=x2-2x+1,⚪f)>fMᓽ2%+J>/2%+1,ᙠA1,412ឤᡂtk>^r-4x+l,xcAl,4ឤᡂt/i(x)=x2-4X+1,XG1,4
ᑣ஻(x)nx=^(4)=16-16+1=1,*ᦪ&Ḅ9-;AM.21.(2022•£ᶢ•¥¦)ᦪ/("=§|&Idᙠ(-11)2Ḅ᜻ᦪ(¨/পHIᦪf(x)Ḅ^᪆©ªᵨId«¬/(x)ᙠ(-1,1)2&ᦪ.(2)^®©Q/(r-l)+/(Z)<0.ூLᫀ௃(1)/(±=²(«¬³^᪆i+x-ফ(µூ^᪆௃ூᑖ᪆௃

14(I)ᵫ⚪lff(0)=0,·¸l)¹b,»ᵫ/(.)=(,l)¹஺(·¸l)¹ᦪḄ^᪆©(ᯠvᑭᵨᓫ6ឋḄId«¬ᓽl((2)ᵫ¼ᦪ᜻ᦪ(ᡠ¾¿y(f-l)+/(r)<0Àᓄ»ᑭᵨᦪᦪlf·¸)f^Ât<\-tপÃᦪ/")=§^&Idᙠ(-1Ä)2Ḅ᜻ᦪ,ᡠ¾Å)=°,ᓽÇ=°,f஻=(),ᡠ¾஻X”É'1—a|,ᡠ¾22Ãp,ஹ^f஺=1,ᡠ¾஻ËÌ«¬QÍ93,2£(-1(1)(¨»<2,Î|")-/(Ï)=-yrh-14-x1+M2_W(l+X[2)-XQ+V)(l+x^Xl+v)*2-ᓰ)(1-2)(1+X|")(1+x-)2Ãᡠ¾4-ஹ1>0(]Øᐭ2>0,(1+o)(1+&2)>0,ᡠ¾A%)—ra)>o,ᓽ/(%)>/(»)(ᡠ¾F(x)ᙠ(-1,1)2&ᦪ.(2)Ã/(X)ᙠ(-1,1)2᜻ᦪ(ᡠ¾1)+/(/)<0ÀᓄpÜÃ஻x)ᙠ(T1)2&ᦪ(-I

15ᡠ¾®©Ḅ^Â(og)22.(2022•ÝÞÝ□•¦)▅àᩞᧇQᡃäẆæpᦪḄᓫ6ឋஹ᜻Ꮤឋçᕜឋ(é&êëìíîïHᙢñò¹ᦪḄCD(ó᝞ᦪy=vçy=õᯠöä÷&ᦪ(CDᙠA0,112÷&2ᓣḄ,é&ᓾᨵḼû℉Ḅ±.᝞C1ᡠý(ᦪy=YḄCD&ᔣÿḄᙠ0,1ᦪy=/ḄᙠḄᦪy=/!"ᦪ#ᦪy=«ḄᔣḄᙠ0,1ᦪy=4ḄᙠMM?Ḅᑣᦪy=«!"ᦪ.ᐹᨵ-᪵ᱯ0Ḅᦪ12!3ᦪ.45167ᦪy=/(x)45ᙠ;ᦪ?\/AB€/,DᨵEᵨGH/I஻K),ᑣ!y=/(x)";ᦪ.,Dᨵ)("ᧅ/I""ᑣ!y=/(x)";=e3ᙠ(_00,0"ᦪᙠ0,+8)"ᦪ.ᦪḄ᜻ᏔឋAᕜmឋᑖno᧜ḄᦪḄq!ឋArstuvU᦮xឋy#zᦪḄᓫ|ឋAឋᑖn}~ḄᦪḄᓣAPᔣvURឋy.ᐵUᦪឋyḄqᡃḄ6ᙠᱥAẆ⚪ᨵஹᐰT[ὃAẆ[.¡ᔠ▅¤ᩞᧇ§¨☢Ḅ⚪6(1)ª«¬ᑡ®¯ᦪ6;(2)±²6³´ᦪ/(%)=-Y+ZZY+Cᦪ#ব·¸ᦪf(x)=x|x-“l,?q]஽2,31,ឤᨵ¿À)2ÁÂÃ1,«¬ᦪN¡ᔠÄᦪ஻ḄÃÆ.ூ¨ᫀ௃পy=Lxe(0,+a>)#Xফ²ÏÐÑ᪆#(3)«>3.ூÑ᪆௃ூᑖ᪆௃

16(1)᪷ÔᦪḄ45®cᓽÖ#(2)ᑭᵨᦪ45²ÏᓽÖ#(3)᪷Ô(2)ء١ᔠᩩÛᦪÜÝᦪ45᪷ÔᦪN¡ᔠ±ÞßᦪÃÆ.(1)>'=-,xe(0,+oo)#X(2)qU³´ᦪ/஺)=¯ã2+äeR,ÜÝf(%+%2)_4%)+/(%2)_ᓲ+%2)2+bE+ç2+(ஹ_-X#+᝞+C-X#+᝞+'/12J2ߟ+2~+C2~__X]+í2+2ᑁ஽+X+஽—(ð¯ñ2)ுQ~~4""2~~~~4~ᓽ/H/H"ô)#,(஽),ÜÝᦪ45³´ᦪ஻ᑘ=ö2+[+'ᦪ.£(3)ᵫ(2)¸³´ᦪ/(%)=-1+[+஺ᦪ,ùᳮ᧕Þ³´ᦪ/*)=/+ᮞ+஺"ᦪ-2qUᦪ/(þ=eH-஺|=",ᐸ
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