河北省枣强县枣强2023年高考临考冲刺数学试卷含解析

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2023
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14(1)/,(x)=(x+l)(ex-a)#a«l',/'(x)>0,ᓽ/(x)ᙠ(0,+L#a>l'/'(x)>0,x>

15a>f'M<0,0-(x+l)2,BP(x-Z:)(ev-l)+x+l>0,ᓽg(x)=(x-Z)(e'T)+x+l,◤g(x)min>0.g'(x)=(x-k+l)ex#ZW1'g'(x)>0g(x)ᙠ(0,+“)ᓫ⌴ᡠ8()>8(())=1>()⚪E#>1'g'(x)>0,x>k-\,g'(x)>0,00,஻(2)=3—e>0,/z(3)=4-e2<0¤>᦮ᦪ¥Ḅᨬᜧ22.ூXY௃§⚪ὃ]¨ᦪ©ᦪḄ¤ᔠᵨª«¨ᦪḄᓫឋஹ©ᦪḄ,ஹ᩽2ᨬ2ஹ®)Aឤᡂ3ὃ]ᑖ±²³´µ,¶a᫏⚪.22.(1)2+(y-^/5)2=5ফ3¸xூ
᪆௃¹⚪ᑖ᪆L(DᵫVwᐗjk/Ḅlmnoᵫ/?sin6=y22=/+/ᙊ஺ḄjSᙶ᪗noEঝNjk1Ḅyᦪno?ᐭᙊCḄjSᙶ᪗noᵫjkyᦪno,|PA|+|PB|=|h|+|t2|=t1+t2,½᪷CᳮF

16f1x-3—t_¹⚪᪆LLIᵫJ'ljk1Ḅlmnox+y-3-V=0ᵫP=2j^sin8p2=2Àpsin஺ᓄjSᙶ᪗nox?+
y-ÀÁ2=5
IINjk1Ḅyᦪno?ᐭᙊCḄjSᙶ᪗no3-ÂÁ2+
ÂÁ2=5,ᓽt2-3>/^t+4=0tl,t2Ã5noḄÄᦪ᪷ᡠtl+t2=3yjkIÅXP3,ÆÁAஹBX<Ḅyᦪᑖti,t2,ᡠ|PA|+|PB|=|ti|+|t2|=ti+t2=3Ç.