高一數(shù)學(xué)上學(xué)期期中考試試卷含答案

高一第一學(xué)期期中考試數(shù)學(xué)科試卷5xRx12,N,MN則M()22(3)3322若0a1ylog(5)()xaa,babcR又(a且)11ab11ablg(ab)02233xyfx(fx)x21111242thmahtlg20.3）1b0ab1且loga,x()xb1tan2）233()y2xy,xRyx3xR2x3()axyfx的M24)f3x0則fx())()0,且222x)()23225.3fx.00.51y2.6af若.f(x)x2axb(abR)fxc[0)x()的．1.611.62用xx,；144fxx.22;63fx1f(x)2x2Rf13．fx對(duì)xfxf(x)2m)xmR)x在.gxx5log(a且afx5axf2a,f(x)4在fx在log(x1設(shè)gxfxgxaa1x,0xaa0.fxaa11xax),1afxxfxx若xffx,但x為.,0000001214ffff;當(dāng)a當(dāng)x和35ayf(f(x))fxx,xfx在x.124高一期中考數(shù)學(xué)試卷答案233,.22yfx;6T4362A1120T663622362ysin(x33633221()22fx對(duì)xxgxf(x)2m)xmR)xax2bxcfx在.0，a分則，分1即，c分x2x1分5x2mx2(xm)2mxm分）gx2222mygxg(2)64m.gx分為gx2m3yg(x)()2gmm2分ygx3mgxg116m.分x5log(a且afxx5a2()ffxa4在fx在1fxlog(x設(shè)gxgxaax5x5fxlog(a且a05x5或x由知x5xxx5x5a分51f2f得2由449aa1a,a9a1a3a分229x5fxlog1）fx在.分分5x53x3x5x15xx設(shè)12x15x5122011fxfxx5x5121在2fx.分f(x)(,5)(5,)()(3,)，yygxfx1gxx5log1log((5,)x在∵x5aax5log((5,)在分)x((x5)aaa155,在22x150xa,a151hxx22x15,x1設(shè).2aaa1115aa1即①，2a6h50y且(x)(5,)在()0(5,)hx在∵②1135150a0a0，，則2a16350a分.)x51x3(xxx5，(x5)aax52125x50t451245設(shè)ttatt350a分1x,0xa.afxaa11xax),1axfxx若xffx,但x為fx.,0000001214ff和ff;當(dāng)a當(dāng)x35ayffxx,xfx在x.1212x,0x1fx2當(dāng)a,分1221,1xx2121222(＝,f(f(f()2(1)∴f分333333442542524f212fff分555550fx中x分71,12111axaa1ffx21a11xa當(dāng)a2a1x1,0f(x)，11112a2當(dāng)x,ffx1x2a11xaa1(a,aa2由22a11111x故a11