山东省枣庄滕州市2021-2022学年高二下学期期中考试 数学试题.pdf

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1、保密启用前 20212022 学年度第二学期期中质量检测 12yxx=1x =1123459145920( )yf x=R0(1)(1)lim3xfxfx +(1)f3(1)f1(1)3f ( 1)f 53612366061010CCx=xxy 1 1 2 2 3 31 12 21 12 23 3O46468lnyxx=(,1)(0,1)( 1,1)(1,)+ 41(1)xx+13413ln2a =1eb=,2(4ln4)ec=,abcacbcababcbac( )yf x=( )yfx=( )yf x=3x =0 x =( )yf x=( )yf x=( 3,1)( )yf x=1x =92

2、30123(23)(1)(1)(1)xaa xa xa x=+99(1)a x+2144a = 01a =01291aaaa+=901293aaaa+=3333201834520212022CCCCC+=11AAAmmmnnnm+=5142332411004951495149514951CC CC CC CC C=+11A(1)Ammnnm+=+2( )ln2af xx xx=1x2x12()xxa(,1)122xx+12112xx+2111xxa( )sinf xxax=+3x =a =“”1123581310O2x 1 1 2 2 3 3 4 4 5 5 6 61 12 2 3 34 45 56 6O( )(1)ln(1)f xxxx=+1x2x，3x，123xxx3122331()()()xxxxxx+421yx210(6)3ayxx=+36xa511a3x1(2)nxx+ 32( )2f xxxx=+( )yf x=2x=( )yf x=O2( )ln3f xxxx=+( )f x12,1,2x x 12xx21121 2()( )()m xxf xf xx xm21( )ln2f xxax=21( )e(1)12xg xxaxax=+( )yf x=x( )( )f xg xa