滕州一中高一單元過關(guān)檢測數(shù)學(xué)試卷第I共85.）313312222yln(1x)AB則2xy（）22,12,1.xR,x2x20）2A.xR,x2x202xR,x2x202B.C.2xR,x2x202xR,x2x20D.設(shè)fx338xx,3x3x80在xf1f1.5f1.25）．．14a0,b0，ab2ab）972216.設(shè)a,bc，則a,b,c的大小關(guān)系是（）3212．bac．a(chǎn)bc．cba．cabfxf(x)f(x)01x,xxx12xx12221-1-1數(shù)fx）f2f3f1f1f2f3f2f1f3f3f1f2行33611000052的10000(是lg30.477)10-26B.10-3510-3610-25455309.下列函數(shù)，最小正周期為的有（）ysinxysinx2cosx1yysin2x3A.）sin10315sin16430'B.sin508sin144'C.cos())))D.9911.已知函數(shù)fxlogxaa圖像經(jīng)過點(diǎn)(4,2)，則下列命題正確的有0,1aA.函數(shù)為增函數(shù)B.函數(shù)為偶函數(shù)1D.若0xxfxfxxx1fxC.若x，則.，則f12122212aab，設(shè)函數(shù)fx12.定義運(yùn)算ab12，則下列命題正確的有xbba1,A.fx的值域?yàn)?2-B.fx的值域?yàn)閒2xC.不等式fx成立的范圍是成立的范圍是f2xD.不等式fx第II卷（非選擇題共90分）4531xBx|x|log(x2)10，則AB.A，2x35Aba2abAabfxaxb2x、βabf1f1x2a0x1x有兩個(gè)不等的實(shí)數(shù)解，則a6；log3log3log2log22sin2cos01.24839sin22sinsin21sincos.求，6336gxax22ba04求bgxfx在∈kk0設(shè)fxx2-3-與聽p課時(shí)間t∈(0,14]tt5a且a1當(dāng)∈時(shí)，曲線是函數(shù)y圖象的一部分．根據(jù)專家t[14,40]a研究，當(dāng)注意力指數(shù)大于等于80時(shí)聽課效果最佳．pft(1)試求p的函數(shù)關(guān)系式；(2)一道數(shù)學(xué)難題，講解需要22分鐘，問老師能否經(jīng)過合理安排在學(xué)生聽課效果最佳時(shí)講完？請說明理由．23xxx1f(x)2f(x)x0,f(x)2(0)f(x)f(x)lg12x求kg(x)lga2a0f(x)g(x)與當(dāng)axa.1B2D3C4B5A6D7A8C9-4-1,15或194）3）61126））546）gxx1，gx在gxg24a4a1b139a6a1b4且b0，agxg）fx只需kfxk0x在min221111xx22x2xx224fxx2x2x2x21234kxxx2＝(＝(，pftcttc1，c41＝((；pftt4t1當(dāng)(＝.a3tyta1－，，4tt＝(＝pft5∈131當(dāng)(2≤2，4ttt2(，tt1t3，tt2t321222202222t-5-23xxx1，f(x)2f(x)32x2xx)，6f(x)的最小正周期為T，2f(x)；5x0,2x,，26661x)1則則，261x)2f(x)；6(0)f(x)x)]x2)+g(x)66k，g(x)數(shù)即26k0,kZ，2故.fxfx,即11fx2x2x12x22xk12x12x12x2a1xx2x10x1012xa102210xx10x12a10a2xxt2a1t210令t在.x21當(dāng)a當(dāng)a1t2a1t211ut2-6-u0a010ta1u202而u2501aa0當(dāng)1u0a010，ta12a1-7-23xxx1，f(x)2f(x)32x2xx)，6f(x)的最小正周期為T，2f(x)；5x0,2x,，26661x)1則則，261x)2f(x)；6(0)f(x)x)]x2)+g(x)66k，g(x)數(shù)即26k0,kZ，2故.fxfx,即11fx2x2x12x22xk12x12x12x2a1xx2x10x1012xa102210xx10x