2022年陕西省榆林市高考数学四模试卷（文科）（附答案详解）

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ᓽ/'(x)21ឤᡂ.ூS᪆௃(1)eᑗ:
ᑭᵨ☢n
ᓽWSaḄÈ.(2)de/'(%)2e*+sinx-2x,ßg(x)=e*+sûx-2x-1,ᑭᵨ¼üᦪ
ᑨtüᦪḄᓫñឋ
x<0
deg(x)>0ᡂ.x>0,ßp(x)=g'(x)=e*+cosx-2,ᑭᵨ¼üᦪᑨtüᦪḄᓫñឋ
deg(x)>0ឤᡂ
Xᑮþÿ.
⚪ὃᦪᦪḄᵨ᪀⌼Ḅᵨὃᓄ⚪.22.ூᫀ௃!"(1)&'()C2Ḅ+ᦪ,-'"«'+ᦪ)ᡠx=-4x(),ᓽy2=__4x,ᡠGḄ:;ᙶ᪗,-'y2=>4”@()C2Ḅ᩽ᙶ᪗,-'p=2cos6,ᡠp2=2pcos8,ᓽ+y2=?>,ᡠḄ:;ᙶ᪗,-'(D—l)2+y2=1.(2)GḄ᩽ᙶ᪗,-'p2sin2஺=—4pcos஺,ᓽp=K:M,N6=aQᐭ6ஹḄ᩽ᙶ᪗,-TIPil=\OM\=WIP2I=|ON|=2cosa.[=\=ᱥQ|ON|sin2a!Tsina=—.2&'0|,ᓽ—2|—|x—11>g.DSI2-x-(1-x)>B|J1>J,ឤᡂᦑxSlo16⚓ᐳ17⚓

17l[ᓽ3—2x>],!T1cx<*D22(x-2)-(x-1)>ᓽ>1>5ᡂM!.\MḄ!(2)ᵫ/'(x)=",T-m|=1,ᯠx=0Mᡂ¢g(x)=x[x-m\=ᓃজm=0g(x)ᙠ¥¦§ᑁᓫª⌴¬ᔠ⚪¯°±.ঝm>0g(x)ᙠ(-8,´\ᓫª⌴¬ᙠ(K,µ)\ᓫª⌴¶ᙠ[¸+8)\ᓫª⌴¬¹g(m)=0,ᑣ»◤½¾¿)=>À+?>1,!Tm>2ᡈµ<>2,ᦑm>2.ঞm<0g()ᙠ(-8,m]\ᓫª⌴¬ᙠ(⊈ᡝ)\ᓫª⌴¶ᙠÆ,+8)\ᓫª⌴¬¹g(7n)=0,ᦑᨵKÉÊᦪ᪷.\ᡠÌÊᦪÍḄÎÏÑ'(2,+8).ூ!᪆௃(1)ᑭᵨÒxᑖÔ!ÕÖÏMo(2)ᦪf(x)=1ᨵKÉMÊ᪷ᓄ'=1ᨵKÉÊ᪷ᑖm=0,m>0m<0KØÙÚÛÜᓽqrÊᦪznḄÎÏÑ.
⚪ὃÞßÕÖÏMḄ!ஹᓄஹᑖàÛÜ~áẠ⚪.