高三數(shù)學(xué)高職考專題復(fù)習(xí)高考函數(shù)問(wèn)題專題復(fù)習(xí)

經(jīng)典word整理文檔，僅參考，雙擊此處可刪除頁(yè)眉頁(yè)腳。本資料屬于網(wǎng)絡(luò)整理，如有侵權(quán)，請(qǐng)聯(lián)系刪除，謝謝！高三數(shù)學(xué)高職考專題復(fù)習(xí)函數(shù)問(wèn)題高職考考點(diǎn)歸納：BAfBABf:AB。）AABB）））x①②③00yx0,x0ya,(a且a,xRxylogx,(a且a,x0aytanx,xk,(kZ)2）yyb①y和RaxbxcR②y2x1的值域?yàn)閧y|y③yx1高三數(shù)學(xué)高職考專題復(fù)習(xí)axb函數(shù)問(wèn)題a{y|y}cy④cxdmxn⑤y2axbxc⑥））yf(x)yf(x)yf(xa)yf(x)ayf(x)yf(x)yf(xa)yf(x)aaaaa）沿軸yf(x)yf(x)yf(x)y|f(x)|保留yf(x)yfx）(x)f(x)f(x)f(x)偶）若f奇若x0f(0)0(x)aa0（f③f(x)0xx[a,b]xx且1212()(),稱([,上為增函數(shù)fxfxfxab12f(x)f(x),稱f(x[a,b上為減函數(shù)12xxxx2高三數(shù)學(xué)高職考專題復(fù)習(xí)函數(shù)問(wèn)題h(x)f(g(xf(x)與g(x)h(x)f(x)與g(x)h(x)(x)axbxca0f2（）(x)a(xk)2ha0(k,h)②f（xxf(x)0是(x)a(xx)(xx)0f（a12120a0①abx②2ab4b2(,)③2a4a0x00④與⑤baxx12cxx12a(x)axbxcb0⑥f2⑦）af(x)000軸上方3高三數(shù)學(xué)高職考專題復(fù)習(xí)函數(shù)問(wèn)題af(x)000圖像位于軸下方tx)ftx)xt。⑧fx(x)0、xx⑨f12x.x120則xx012x.x1200xx0xx01212xx0xx01212xx1(a,b)200a則()0fa若a則()0fafb)0fb)0(x)0、xx；x(a,b)(c,d)fx1212yyf(x)f(x)yx,yx①4高三數(shù)學(xué)高職考專題復(fù)習(xí)②y函數(shù)問(wèn)題x③(a,b)b,a)④指數(shù)函數(shù)與對(duì)數(shù)函數(shù)：(a)a①nnnaaa||nnannnn1(a0)）a0）1a(a0,nN*)nan）maa(a0,m,nN且nnmn實(shí)數(shù)指數(shù)冪的運(yùn)算法則：(a,nR)aa(a)a(ab)ab③①a②mnmnmnnnnn當(dāng)時(shí)，在（）上單調(diào)遞增yxaayxa當(dāng)a時(shí)，yx在（）上單調(diào)遞減aaNlogNb(aa、(N0)baloga1②log10aNlogaN①③logaN④Naaa1log與log互為倒數(shù)1⑤bababaababab5nlogblogb⑥nmmaaMNlog()logMNlogMNaaaaaa(且Nbbbab定義ya(a0,a的常數(shù))logx(a0,a的常數(shù))xya圖像性質(zhì)點(diǎn)ylog(0,上為增函數(shù)；ax）a0log(0,上為減函數(shù)ayxxa）()6高三數(shù)學(xué)高職考專題復(fù)習(xí)函數(shù)問(wèn)題13232yxyyxyxsinx333x則()429933841x與y()x3xy()㏒則()23B.㏒1D.㏒3354log42，則x()x1221[lg(21)]y)則()x2)))4()242與()22xyxyxx()24或00C.04x和x()221xlogy()1x2xx()x()227高三數(shù)學(xué)高職考專題復(fù)習(xí)函數(shù)問(wèn)題-y33()C.(31x(x)f()31xD.1(x)f()x2)B.(-+)()5221()x811222()2)C.D.556xxx(x)f()2則()D.y()），）））9()32123a2a22aa23yf(x)yf(x)f(2x)4xf()32121232()8高三數(shù)學(xué)高職考專題復(fù)習(xí)函數(shù)問(wèn)題x2x212xy()(,)[0,)(0,)(,0]＊1(x)6x2(xf則f()4311422f(x)﹣()(ff(2)(2)ff(f(f(2)fff(2)f(ff(())1xyg(x)yyx則g(x)3logxlogx3﹣3xx33(x)lg1x1xf(1x是()2ax2a10x()222222a1a11aa2222141(3.9)0.1252、039221x424logx239高三數(shù)學(xué)高職考專題復(fù)習(xí)函數(shù)問(wèn)題y23xx2x和x為xx)221212ylog(4x132x和xxxx=a2221212123122yxxf(x)3xbg(x)148yx對(duì)稱,則b3.1(4x)(x0)y.x二、二次函數(shù)及其應(yīng)用()2334())(2a()21(())21212xx11114141x2x3y()25272為10高三數(shù)學(xué)高職考專題復(fù)習(xí)函數(shù)問(wèn)題三、函數(shù)綜合題23112283271902)sin1629mxx+2.)2求.C與x2C且x.11高三數(shù)學(xué)高職考專題復(fù)習(xí)函數(shù)問(wèn)題64、分).2)x2為b.)123456789101112131415DBDCADDDBABCDDB題次161718192021