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已知eqIde9edd995034840cfb557ea415074294a,设函数eqIdef6b317d340b453e9a42c6c8b659d55a若关于eqIdc12aac8c2448479687a40735b3572a23的不等式eqIdd137a616f332473c8682f2ff28cf09d7eqId7dcd2312d0bf4bb1befdfcc170e45791上恒成立,则eqId70a27b6ddf6b478285353abb3b1f3741的取值范围为( )
A.eqId55c1c8d277914621b117cb963bfff120B.eqId34ea0d2000d242ae8acaad26dd0b850bC.eqId57c77633a282404ba6559f98c6318e28D.eqId22e142981389400aa699815c8f774942
更新:2019/6/9难度系数:0.65题型:单选题组卷:453次
已知eqId4e591fef3a654daa84f68b5dc575f065eqId37dcbd000aa84a288dc3863de702d374eqIde9703ed7855449a2beeba4087efcd6c9,则eqId0ce93bfa1f6a4a23b3258410dd19847a的大小关系为(  )
A.eqId5f41c357450f4a2bbc83cc2bf71569d3B.eqId8326d27a34624d9390591c8250142736
C.eqId988282e31d4c4be898187be93d8893a8D.eqId6e624c2e0d504cd888c8ae3c22f64212
更新:2019/6/9难度系数:0.85题型:单选题组卷:316次
f(x)为奇函数,且当x≥0时,f(x)=eqId8ae31b1d137146e1a9ac3d371786db25,则当x<0时,f(x)=
A.eqIdc5bb4d8e9f464be8bf30437bae204736B.eqId13fe3786da994ecc814ce0dc1c991304
C.eqId3d8a5a1b6f83450a894caf30dc9e999fD.eqIdcdbc15e5563c4b749aec6e3f5dba0e38
更新:2019/6/9难度系数:0.85题型:单选题组卷:624次
已知集合eqIde8122eca2e3d4590af40290a025ef1deeqId2b13b0b649a34465a9d985cc28a8a161,则AB=
A.(–1,+∞)B.(–∞,2)
C.(–1,2)D.eqId42da2d808f3946518f5ca7392dbeb8ae
更新:2019/6/9难度系数:0.85题型:单选题组卷:552次
已知函数eqIdceff1c41956c48d78eb05bde21639ab5eqIdc8b445d97c4849c6b7bb82b37f9c7999的两个零点分别在区间eqIdcad4c0e115e34fae9e13c500a7193690eqIdf084b58510814139ba3b8481096d522f 内,则实数eqId70a27b6ddf6b478285353abb3b1f3741的取值范围为( )
A.eqId885d64ba88bc4bebbdaf03053b0ee5a9B.eqId10d57ccd3ef24ff991c65a43b59faed7C.eqId8ef08fc85a73425bb454b50eef676a1aD.eqId085fd0495b9c4e119b74bef9eb828116
更新:2019/6/17难度系数:0.65题型:单选题组卷:15次
已知集合eqId2cfd7796e973446aa842fa6ab6adf952eqId3c1a015d1e994d46a681e62230a80f91,则eqIdcfb073d9fa8a44179cf4e242d45e6d3c(    )
A.eqIdf251d3f784d54598897e28ec211e14a2B.eqIddc7bc693ecc34dd49d3af0d5762b0751C.eqIdd9ac6f7ddeb14b4cab6b9bff963cc58eD.eqId7dcd2312d0bf4bb1befdfcc170e45791
更新:2019/6/17难度系数:0.94题型:单选题组卷:48次
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