对数函数及其性质专题练习一

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1、安阳高中校本练习:高一数学必修一:§2.2.2对数函数及其性质（一）时间:2010.10.8份数:850编题:康志轩※基础达标1．下列各式错误的是（）.A.B.C.D..xy11oxyo11oyx11oyx112．当时,在同一坐标系中,函数的图象是（）.ABCD3．下列函数中哪个与函数y=x是同一个函数（）A.B.y=C.D.y=4．函数的定义域是（）.A.B.C.D.5．若，那么满足的条件是（）.A.B.C.D.6．函数的定义域为.（用区间表示）7．比较两个对数值的大小：；.※能力提高8．求下列函数的定义域：（1）；（2）.9．已知函数，，求：（1）的值域；（2）的最大值及相应x的

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