1、浙江省2014屆高三理科數學一輪復習考試試題精選（1）分類匯編3：函數的單調性與最值（或值域）一、選擇題 （浙江省平陽縣第三中學2014屆高三上學期第一次月考數學（理）試題）設函數表示不超過的最大整數,則函數的值域是（）abcd【答案】b （浙江省樂清市白象中學2014屆高三上學期第二次月考數學（理）試題）若是r上的單調遞增函數,則實數a的取值范圍為（）a(1,+)b4,8)c(4,8)d(1,8)【答案】b （浙江省嘉興市2014屆高三9月月考數學理試題）已知函數f(x)=,則f(x)（）a在(-,0)上單調遞增b在(0,+)上單調遞增 c在(-,0)上單調遞遞d在(0,+)上單調遞減 【答

2、案】b （浙江省湖州中學2014屆高三第一次月考數學（理）試題）偶函數在上為增函數,不等式恒成立,則的取值范圍是（）ab c d【答案】a （浙江省臺州市黃巖中學2013-2014學年高三第一學期第一次月考數學(理)試題）函數在區間上遞減,則的取值范圍是（）abcd【答案】b 二、填空題 （浙江省紹興市第一中學2014屆高三上學期期中考試數學（理）試題）設是定義在r上以1為周期的函數,若在區間上的值域為,則在區間上的值域為_【答案】 （浙江省紹興市第一中學2014屆高三上學期回頭考數學（理）試題 ）定義:區間長度為.已知函數定義域為,值域為,則區間長度的最小值為_. 【答案】 （浙江省湖州中學

3、2014屆高三第一次月考數學（理）試題）函數的值域為_.【答案】 （浙江省溫州中學2014屆高三10月月考數學（理）試題）已知函數且,其中為奇函數, 為偶函數,若不等式對任意恒成立,則實數的取值范圍是_. 【答案】 （浙江省溫州市平陽中學2014屆高三10月月考數學（理）試題）設,若對于任意,總存在,使得成立,則的取值范圍是_. 【答案】 （浙江省建人高復2014屆高三上學期第一次月考數學（理）試題）若f(x)=在區間(-2,+)上是增函數,則a的取值范圍是_.【答案】 （浙江省嘉興一中2014屆高三上學期期中數學理試卷）函數在上的最小值為,則實數的取值范圍為_.【答案】 （浙江省湖州市八校2

4、014屆高三上學期第二次聯考數學（理）試題）對,記,函數的最小值是_【答案】 （浙江省杭州高級中學2014屆高三上學期第一次月考數學（理）試題）若在區間上是增函數,則實數的取值范圍_【答案】 （浙江省2014屆金華一中高三9月月考數學試卷（理）已知函數在區間上是增函數,則實數的取值范圍為_.【答案】 三、解答題（浙江省溫州市平陽中學2014屆高三10月月考數學（理）試題）已知偶函數在上為增函數,且,解不等式.【答案】 （浙江省建人高復2014屆高三上學期第一次月考數學（理）試題）設函數 (ar).(1)當時,解關于x的不等式;(2)函數在區間上是單調函數,求實數a的取值范圍.【答案】解:(i)

5、不等式即 , 由此得,即,其中常數. 所以,原不等式等價于 即 所以,當時,所給不等式的解集為; 當時,所給不等式的解集為. -7 (2):.則恒成立 而 -14 （浙江省杭州市西湖高級中學2014屆高三9月月考數學（理科）試題）對于函數若存在,成立,則稱為的不動點.已知(1)當時,求函數的不動點;(2)若對任意實數,函數恒有兩個相異的不動點,求的取值范圍;(3)在(2)的條件下,若圖象上、兩點的橫坐標是函數的不動點,且、兩點關于直線對稱,求的最小值.【答案】 dxqa7fhyi2chhi92tgkqcwa3ptgshls50clmtwn60eo8wgqv7xav2ohum32wgeauwyd

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11、i2chhi92tgkqcwa3ptgshls50clmtwn60eo8wgqv7xav2ohum32wgeauwydiawger4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgz7r4i30ka1dkagtgkqcwa3ptgz7r4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgshls50clmtwn60eo8wgqv7xav2ohum32wgeauwydiawgmer4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgz7r4i30ka1

12、dkagtgkqcwa3ptgz7r4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgshls50clmtwn60eo8wgqv7xav2ohum32wgeauwydiawgmer4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgz7r4i30ka1dkagtgkqcwa3ptgz7r4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgshls50clmtwn60eo8wgqv7xav2tgz7r4i30ka1dkaghn3xtkknbycudxq

13、a7fhyi2chhi92tgkqcwa3ptgshls50clmtwn60eo8wgqv7xav2ohum32wgeauwydiawgmer4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgz7r4i30ka1dkagtgkqcwa3ptgz7r4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgshls50clmtwn60eo8wgqv7xav2ohum32wgeauwydiawger4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgz7r4i

14、30ka1dkagtgkqcwa3ptgz7r4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgshls50clmtwn60eo8wgqv7xav2ohum32wgeauwydiawgmer4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgz7r4i30ka1dkagtgkqcwa3ptgz7r4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgshls50clmtwn60eo8wgqv7xav2ohum32wgeauwydiawgmer4i30k

15、a1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgz7r4i30ka1dkagtgkqcwa3ptgz7r4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgshls50clmtwn60eo8wgqv7xav2eo8wgqv7xav2ohum32wgeauwydiawger4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgz7r4i30ka1dkagtgkqcwa3ptgz7r4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tg

16、kqcwa3ptgshls50clmtwn60eo8wgqv7xav2ohum32wgeauwydiawgmer4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgz7r4i30ka1dkagtgkqcwa3ptgz7r4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgshls50clmtwn60eo8wgqv7xav2ohum32wgeauwydiawgmer4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgz7r4i30ka1dkagtgkqc

17、wa3ptgz7r4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgshls50clmtwn60eo8wgqv7xav2ohum32wgeauwydiawgmer4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgz7r4i30ka1dkaggeauwydiawgmer4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgz7r4i30ka1dkagtgkqcwa3ptgz7r4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi9

18、2tgkqcwa3ptgshls50clmtwn60eo8wgqv7xav2ohum32wgeauwydiawgmer4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgz7r4i30ka1dkagtgkqcwa3ptgz7r4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgshls50clmtwn60eo8wgqv7xav2ohum32wgeauwydiawger4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgz7r4i30ka1dkagtgk

19、qcwa3ptgz7r4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgshls50clmtwn60eo8wgqv7xav2ohum32wgeauwydiawgmer4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgz7r4i30ka1dkagtgkqcwa3ptgz7r4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgshls50clmtwn60eo8wgqv7xav hhi92tgkqcwa3ptgz7r4i30ka1dkagtgkqcwa3

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