文档介绍：2017高考高三数学模拟试题一、 R?,且{ 1 2}A x x? ??,2{ 6 8 0}B x x x? ???,则( )UC A B??(2 2)x xyx? ??????( 0)x? ( 1), 0 1( )2 , 1 0x xf xx x? ?????? ???,a b R??,且1a b? ?,则4 1 4 1a b? ? ?( )4x af xx? ???为奇函数,则( )2af?( )f x满足1 12 ( ) ( )f x fx x? ?,则( )f ( )f x是定义在R上的偶函数,若对于任意1 2, ( , 0)x x???且1 2x x?,都有1 21 2( ) ( )0f x f xx x???,且( 2) 0f? ?,则不等式( ) 0xf x?,偶函数2( ) 1( )f x x a x m x R? ????在区间(2, 3)上存在唯一零点, ( 1), 0( )2 , 0x xf xx x x? ????? ? ??,若函数( ) ( )g x f x m? ?有3个零点,( )f x和偶函数( )g x满足( ) ( ) 2x xf x g x a a?? ???(0a?,且1a?),若(2)g a?,则(2)f?( )f xx bx c????? ??( 0)( 0)xx??,若( 4) (0)f f? ?,( 2) 0f? ?,则关于x的不等式( ) 1f x?( )f x是定义在R上的偶函数,对任意的x R?,都有(2 ) ( 2)f x f x? ??,且当[ 2, 0]x??时,1( ) ( ) 12xf x? ?,若关于x的方程( ) log ( 2) 0af x x? ??( 1)a?在区间( 2, 6]?内恰有三个不同实根,( )Mf x的定义域为R,且定义如下:( )1Mxf xx??????x Mx