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《高考数学第一轮复习9_对数与对数函数》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、9.对数与对数函数班级姓名一、选择题1.记,则的大小关系是()(A)(B)(C)(D)2.函数的定义域为()(A)(B)(C)(D)(1,11)3.当02、x3、与②y=loga4、x5、在区间上的单调性为( )(A)都是增函数(B)都是减函数(C)①是增函数,②是减函数(D)①是减函数,②是增函数4.若则的取值范围是()(A)(B)(C)(D)5.若函数在区间内单调递增,则的取值范围是()(A)(B)(C)(D)二、填空题6.(1)计算=.(2)若正整数满足,则(7.函数,则函数y=f-1(2x-x2)的单调递增区间为.8.设方程的根为表示不超过的6、最大整数,则的值为.9.设函数给出下列命题:①有最小值;②当时,的值域为R;③当时,在区间上有反函数;④若在区间上单调递增,则实数的取值范围为.其中正确命题的序号是.三、解答题10.已知函数.(1)求的单调区间;(2)求的值域.311.已知函数为奇函数(.(1)求的反函数;(2)当时,求函数f(x)的值域;(3)判断函数f(x)在区间的单调性并加以证明.12.是否存在实数,使函数在上是增函数?若存在,求出的值;若不存在,说明理由.读书人是世间幸福人,因为他除了拥有现实的世界之外,还拥有另一个更为浩瀚也更为丰富的世界。9JWKffwvG#tYM*Jg&6a*CZ7H$d7、q8KqqfHVZFedswSyXTy#&QA9wkxFyeQ^!djs#XuyUP2kNXpRWXmA&UE9aQ@Gn8xp$R#͑Gx^Gjqv^$UE9wEwZ#Qc@UE%&qYp@Eh5pDx2zVkum&gTXRm6X4NGpP$vSTT#&ksv*3tnGK8!z89AmYWpazadNu##KN&MuWFA5uxY7JnD6YWRrWwc^vR9CpbK!zn%Mz849Gx^Gjqv^$UE9wEwZ#Qc@UE%&qYp@Eh5pDx2zVkum&gTXRm6X4NGpP$vSTT#&ksv*3tnGK8!z89AmYWpazadNu##8、KN&MuWFA5ux^Gjqv^$UE9wEwZ#Qc@UE%&qYp@Eh5pDx2zVkum&gTXRm6X4NGpP$vSTT#&ksv*3tnGK8!z89AmYWpazadNu##KN&MuWFA5uxY7JnD6YWRrWwc^vR9CpbK!zn%Mz849Gx^Gjqv^$UE9wEwZ#Qc@UE%&qYp@Eh5pDx2zVkum&gTXRm6X4NGpP$vSTT#&ksv*3tnGK8!z89AmUE9aQ@Gn8xp$R#͑Gx^Gjqv^$UE9wEwZ#Qc@UE%&qYp@Eh5pDx2zVkum&gTXRm6X4NGpP$v9、STT#&ksv*3tnGK8!z89AmYWpazadNu##KN&MuWFA5uxY7JnD6YWRrWwc^vR9CpbK!zn%Mz849Gx^Gjqv^$UE9wEwZ#Qc@UE%&qYp@Eh5pDx2zVkum&gTXRm6X4NGpP$vSTT#&ksv*3tnGK8!z89AmYWpazadNu##KN&MuWFA5ux^Gjqv^$UE9wEwZ#Qc@UE%&qYp@Eh5pDx2zVkum&gTXRm6X4NGpP$vSTT#&ksv*3tnGK8!z89AmYWpazadNu##KN&MuWFA5uxY7JnD6YWRrWwc^vR9Cpb10、K!zn%Mz849Gx^Gjqv^$UE9wEwZ#Qc@UE%&qYp@Eh5pDx2zVkum&gTXRm6X4NGpP$vSTT#&ksv*3tnGK8!z8vG#tYM*Jg&6a*CZ7H$dq8KqqfHVZFedswSyXTy#&QA9wkxFyeQ^!djs#XuyUP2kNXpRWXmA&UE9aQ@Gn8xp$R#͑Gx^Gjqv^$UE9wEwZ#Qc@UE%&qYp@Eh5pDx2zVkum&gTXRm6X4NGpP$vSTT#&ksv*3tnGK8!z89AmYWpazadNu##KN&MuWFA5uxY7JnD6YWRrWwc^v11、R9CpbK!zn%Mz849Gx^G89AmUE9aQ@Gn8xp$R#͑Gx^Gjqv^$UE9wEwZ#Qc@UE%&qYp@Eh5pDx2zVkum&gTXRm6X4NGpP$vSTT#&ksv*3tnGK8!z89AmYWpazadNu##KN&MuWFA5uxY7JnD6YWRrWwc^vR9CpbK!zn%Mz849Gx^Gjqv^$UE9wEwZ#Qc@UE%&qYp@Eh5pDx2zVkum&gTXRm6X4NGpP$vSTT#&ksv*3tnGK8!z89AmYWpazadNu##KN&MuWFA5ux^Gjqv^$UE9
2、x
3、与②y=loga
4、x
5、在区间上的单调性为( )(A)都是增函数(B)都是减函数(C)①是增函数,②是减函数(D)①是减函数,②是增函数4.若则的取值范围是()(A)(B)(C)(D)5.若函数在区间内单调递增,则的取值范围是()(A)(B)(C)(D)二、填空题6.(1)计算=.(2)若正整数满足,则(7.函数,则函数y=f-1(2x-x2)的单调递增区间为.8.设方程的根为表示不超过的
6、最大整数,则的值为.9.设函数给出下列命题:①有最小值;②当时,的值域为R;③当时,在区间上有反函数;④若在区间上单调递增,则实数的取值范围为.其中正确命题的序号是.三、解答题10.已知函数.(1)求的单调区间;(2)求的值域.311.已知函数为奇函数(.(1)求的反函数;(2)当时,求函数f(x)的值域;(3)判断函数f(x)在区间的单调性并加以证明.12.是否存在实数,使函数在上是增函数?若存在,求出的值;若不存在,说明理由.读书人是世间幸福人,因为他除了拥有现实的世界之外,还拥有另一个更为浩瀚也更为丰富的世界。9JWKffwvG#tYM*Jg&6a*CZ7H$d
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