指數(shù)與對(duì)數(shù)函數(shù)精選基礎(chǔ)練習(xí)題

1、1指數(shù)與指數(shù)函數(shù)指數(shù)與指數(shù)函數(shù)1.若，則（）913982????xyyxxy??....A18B21C24D272.函數(shù)的定義域是()xy31??....A????0B??0??C????1D??????3.已知集合，則(）???ZxxNMx???????????4221111?NM?....A??11?B??1?C??0D??01?4.的值是（）543aaa?....A1BaC51aD1017a5.已知，則它們的大小關(guān)系是（）1323

2、23121?????????????????cba....Aacb??Bcba??Ccab??Dbac??6.計(jì)算＝________.??????2175.034303101.016287064.0????????????????7.若1()21xfxa???是奇函數(shù)，則a?8.函數(shù)的定義域是，值域是，在區(qū)間xy??4___________________________是增函數(shù)，在區(qū)間上是減函數(shù)._________9.函數(shù)，無(wú)論取什么

3、值，函數(shù)的圖象恒經(jīng)過一個(gè)定點(diǎn)，則)00(11?????aaayx且a這個(gè)點(diǎn)的坐標(biāo)是._________10.函數(shù)是指數(shù)函數(shù)，則的值為_________??xaaay332???a11.已知指數(shù)函數(shù)的圖象經(jīng)過點(diǎn)，求與的值.??xfy???e???0f??1?f3指數(shù)與對(duì)數(shù)函數(shù)綜合題指數(shù)與對(duì)數(shù)函數(shù)綜合題1.設(shè)，則的大小關(guān)系是學(xué)科網(wǎng)（）03log31abc??????abcA.B.C.D.學(xué)科網(wǎng)abc??acb??bac??bca??2.若，

4、則（）21log012ba????????ABC.D.10ab??10ab??010ab???010ab???3.函數(shù)的圖象（）xey??.與的圖象關(guān)于軸對(duì)稱.與的圖象關(guān)于坐標(biāo)原點(diǎn)對(duì)稱Axey?yBxey?.與的圖象關(guān)于軸對(duì)稱.與的圖象關(guān)于坐標(biāo)原點(diǎn)對(duì)稱Cxey??yDxey??4.要想得到函數(shù)的圖象，只需將指數(shù)函數(shù)的圖象（）xy212??xy)41(?.向左平移個(gè)單位.向右平移個(gè)單位A1B1.向左平移個(gè)單位.向右平移個(gè)單位C21D215

5、.某廠去年月份的產(chǎn)量是去年月份產(chǎn)值的倍，則該廠去年產(chǎn)值的月平均121m增長(zhǎng)率為（）....A11mB12mC112?mD111?m6.設(shè)，則_____________.????????????0ln0xxxexgx???????????????21gg7.計(jì)算_________.????304827)(4250625.0?8.已知。來(lái)表示、用45log5189log3618baab??9.設(shè)的值.?????????baba2121005