必修一第二章《基本初等函數(shù)》單元測試卷

1、高中數(shù)學(xué)必修1第二章《基本初等函數(shù)》單元測試卷1第二章第二章《基本初等函數(shù)基本初等函數(shù)》單元測試卷單元測試卷一.選擇題選擇題：1.若集合則()|2xMyy??21|log32xNxyx????MN??.A2|3xx?.B1|112xxx???或.C1|2xx?.D2|113xxx???或2.已知函數(shù)且則()1222(1)()log(1)(1)xxfxxx??????????()3fa??(6)fa??.A74?.B54?.C34?.D1

2、4?3.設(shè)則的大小關(guān)系是()323loglog3log2abc????abc.Aabc??.Bacb??.Ccba??.Dbca??4.若且則()01b??log1ab?或.A0ab??.B0ba??.C01ba???.D1a?0ab??5.設(shè)函數(shù)則滿足的的取值范圍是()122(1)()1log(1)xxfxxx????????()2fx?x.A[12]?.B[02].C[1)??.D[0)??6.已知函數(shù)是定義在的奇函數(shù)，且是增函數(shù)，

3、則函數(shù)()(01)xxfxkaaaa?????且R的大致圖象是()()log(1)agxx??7.方程的解得個數(shù)是()12xx?.A0.B1.C2.D38.函數(shù)在上是減函數(shù)，則的取值范圍是()()log(6)afxax??[02]a.A(01).B(13).C(13].D(3)??OOOOxxxxyyyy111?1?22DCBA高中數(shù)學(xué)必修1第二章《基本初等函數(shù)》單元測試卷319.已知定義域為的奇函數(shù)R2().2xxbfxa???(1)