组卷网>知识点选题>利用函数单调性解不等式
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单选题 | 较易(0.85) | 2021·四川高三月考(理)
1 . 已知集合eqIdd4869a859c6347398fcd4c4929dea4b5,集合eqId37800729a70f492383814b1b77217ca0,则eqIdcfad661d885843d1a65e0c11ff58a2c3(   )
A.eqId3e5ced21954549e09561757750f0140cB.eqId44866d20a1d449ab9db7e7ea3026faddC.eqIda8cefae4538f4c9b904b4491ca9f377dD.eqIdde83818f0e6740b09379c9be5fc175a6
2 . 已知函数eqId6f13759e937144069819aed2ae5a1057满足:eqId03954bedebcc4c14bc033de7a5cc8ebfeqIdb90a45d696504d3592e7490519906263,且eqIdba8826638e1f45ffad97d7bbd0ded66b.若角eqIdc13953f2514e4c8f9c8aaaf5241c33ac满足不等式eqId6a418250f8734dfda81f3d991a0a0df6,则eqIdc13953f2514e4c8f9c8aaaf5241c33ac的取值范围是(   )
A.eqIdade2614e413e48d1b123444329244cbcB.eqId3923819f5a4c4c5ca6aa333bf51608aaC.eqId76909bfab8524cd9a5b4139f4a9927c7D.eqId6ce5435b11434a50bde2032e0654d28f
单选题 | 较易(0.85) | 2021·江苏南通市·高三二模
典型
4 . 已知函数eqId6f13759e937144069819aed2ae5a1057满足eqId9d4a40b249bf458d9fda252cff07aab2,当eqId2d569479cd1c43c1af15895792b64db6时,eqIddca2e7b47d6242a58ad0656af15cb369,则不等式eqIdd508a4707805415294fab3ab87598c34的解集为(   )
A.eqId157f237787a744c0a1583ceb1dfb4b4eB.eqId447e99dfb6624262be283c7b9abff193C.eqIdbac6dd3e0218479b884589fa5506eac3D.eqId6ac5a785ddb845a3b7af1d4009f87e83
5 . 已知函数eqIdc8bf2447d36f4a9c9da7b44b517d78b3则使得eqId72b9fd59f2414b6cbf9615c96da70576成立的x的取值范围是(   )
A.eqId28378e490976488bb7e4bff4c5390a50B.eqId8b26bef6acfc4bdbae99e0727f9fe6f7
C.eqId91fe617c2d2246c4a33d98bc8ac179aeD.eqIdb7fcf9e0f2114943a187d182f8208aa0
7 . 已知函数eqId4837c94ef0ff4dcf9b1dda4df363275aeqId7dcd2312d0bf4bb1befdfcc170e45791上为增函数,若不等式eqIda396069b32164fc49827bdd2f12054eaeqIdae75c86d043e48bbb22610c70f508a09恒成立,则eqId70a27b6ddf6b478285353abb3b1f3741的取值范围为(   )
A.eqIda5ac802ac5064c38bc7ed727929e4152B.eqIdd3554667d85845cb9563f0f5e017bdf8C.eqId47bb553718a644a9aba68733ad08312aD.eqIdde46290baec04ea1a59331d8d94f28df
8 . 已知函数eqIdf8928c79ad1c4e3a9cf1efa97e8b30c6则不等式eqId87191411a5d1481387c5736038b11b39的解集为(   )
A.eqIdbe06c4776c47455696d5ca574743e05fB.eqIdc1231e3140a84d938fea8a0cf72c90cc
C.eqId2fe40428a78d49588d13fa51f63ca7a3D.eqId8db787b1fecb48d9a410efd47c7a8118
解答题 | 一般(0.65) | 2021·浙江高一期末
更新:2021/06/02组卷:0
解答题 | 一般(0.65) | 2021·浙江高一期末
10 . 已知函数eqId071b04377a244fff94674ed9c5e829cf
(1)若eqId3d2ae4f2fd584ed69661b923ba16d005,求a的值
(2)记eqId6f13759e937144069819aed2ae5a1057在区间eqId17f90f6a17f04d9a937a2c9f884aa4b9上的最小值为eqIda364cbeebde9457196cdc80861bdf57e
①求eqIda364cbeebde9457196cdc80861bdf57e的解析式
②若eqIde65625f1c37046ed8dfc850b96e9bfab对于eqId06e4575720c04d889b4df8002aff4a20恒成立,求k的范围
更新:2021/06/02组卷:0
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