组卷网>知识点选题>利用幂函数性质比较大小
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1 . 已知eqId3a801b1fe9d544dfac5fd93763875ed7,设eqId82437788e38c4137a8f5b319ab2f34a8,则eqId0ce93bfa1f6a4a23b3258410dd19847a的大小关系为(   )
A.eqId98df60d61acf40a38ea6e88af8316379B.eqId45615ef0900647268b98d1d5eeb28a58
C.eqId2cf6c501fcaf451c89bbbe8a7b5da7adD.eqIdde23c9bee5f2497a98f967afa9b73a7a
2 . 已知函数eqId6f13759e937144069819aed2ae5a1057eqId7dcd2312d0bf4bb1befdfcc170e45791上的偶函数,对任意eqId735b8047beee4dee870fc72ae837a245eqId6ae412f37b494444bdaa9ac6c704a104,均有eqId551adb83604640acaa248cfa035fc697成立,若eqId9a6622f3f04c42cda7b568a9046e0cb5,则eqId0ce93bfa1f6a4a23b3258410dd19847a的大小关系是(   )
A.eqId45615ef0900647268b98d1d5eeb28a58B.eqIde20b3cdceb054975bbbb3a4598602bafC.eqIdde23c9bee5f2497a98f967afa9b73a7aD.eqId0d0cc8a6003c4e21bacd608a53c711cf
单选题 | 较易(0.85) | 2021·湖北高一期中
3 . 已知eqId2e12096aaa684ffa9e6f65c74d117f2d,则实数eqId70a27b6ddf6b478285353abb3b1f3741的取值范围为(   )
A.(0,eqId4a6d9e827a244409a8376651b7e648c4)B.(0,1)C.eqIde327c47000b04c6daee727c47be19120D.eqId716f4dafb0c34123b4bf3cb96fbd35ce
4 . 已知eqId02755d72891547019cbe1b39e2203f3a,则eqId37933d86b6b745239039e046227114bd的大小关系正确的为(   )
A.eqId94ef60521cb942b9ba85503d74891a9fB.eqId250f4af669a54a9ab09a2e0a6a2a161e
C.eqIdbe144d8fab914d9eaa9a9fe3a69575c9D.eqIde57b2ed0d0a445e3b2a48c0bec125c7c
单选题 | 一般(0.65) |
6 . 已知实数ab满足等式eqId9df975e880e54e11985bb01da8041132,给出下列五个关系式:①eqIdccd77245b387427189e758012742c1c7;②eqId9c20e133e1e042e8954ec677ce7ef3bb;③eqId6554028733fd4504b9f2e1a96f04474e;④eqIdd11a0454017f412b8ccca94a40ba7fe4;⑤eqIdce9bb01da3f24ca39be5de338374b0da,其中,可能成立的关系式有(   )
A.1个B.2个C.3个D.5个
更新:2021/04/29组卷:258
解答题 | 较易(0.85) |
同步
7 . 函数eqId7a404b74bd6c428c83472db893b78277eqIde746808820024ec8b8c95dd44c106e9e的图象,如图所示.设两函数的图象交于点eqIdc254f144659e4c6b92dbb119e1743a40eqId51bcea5f5d8d40dba054ff714fe01780,且eqId69154b0cb5e843698c5ea5bf0d8bdfa8
说明: figure
(1)请指出示意图中曲线eqIdcfc8599bedfb4ab4944abf141f348a9aeqId3a63d00111554b9e8b896929779a293d分别对应哪一个函数;
(2)结合函数图象,比较eqId1fa13b677bc94b02bacabdfbc26d6ed1eqId9fb64979ee3a498da6bf6d73437aa250eqId6663ca1cddf243d1aa724955beec76aeeqId4e889d02d7924188a17ff5063ff0973f的大小.
更新:2021/04/21组卷:49
8 . 已知eqId803c955b2edf4eb19795bc63e7b155c8,则eqId0ce93bfa1f6a4a23b3258410dd19847a的大小关系为(   )
A.eqIdde23c9bee5f2497a98f967afa9b73a7aB.eqId45615ef0900647268b98d1d5eeb28a58C.eqId2cf6c501fcaf451c89bbbe8a7b5da7adD.eqId0d0cc8a6003c4e21bacd608a53c711cf
更新:2021/04/14组卷:22
9 . 已知定义在eqId7dcd2312d0bf4bb1befdfcc170e45791上的幂函数eqId1b945035801644bab1f98ab8d957d023eqIda4be99d332154d13a4a6ed1ff6444fe7为实数)过点eqIda0daeefb17b94514b2c2c626c3b9453d,记eqId4768a8d85efc4551a75e79f6e6c6c20aeqId95e97ef50cec43448c8df7612d1ce4d0eqId69b918a70d344938b03227c432b118c6,则eqId0ce93bfa1f6a4a23b3258410dd19847a的大小关系为(   )
A.eqIdde23c9bee5f2497a98f967afa9b73a7aB.eqIde20b3cdceb054975bbbb3a4598602bafC.eqId0d0cc8a6003c4e21bacd608a53c711cfD.eqId45615ef0900647268b98d1d5eeb28a58
解答题 | 一般(0.65) |
10 . 比例下列各组数的大小.
(1)eqId7d71c86c614742a3a6ac84d11efca03eeqId352b7acc3a6e4ca6bd7cbc2ad4519ad4;(2)(–2)–3和(–2.5)–3
(3)(1.1)–0.1和(1.2)–0.1;(4)eqIdbeec8871a117441a8f7f6315c525087eeqIdef15561b9d2b4e3faa84ee521cc72cfd.
更新:2021/04/02组卷:69
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