充值 服务号
首页>知识点选题>由对数函数的单调性解不等式
更多: | 典型试题 | 压轴试题
显示答案
| 共计 725 道试题
+全部加入试卷
(1)求满足不等式eqIdb9fc694a5864460b808df1780f300dd9eqIda9cd3f94eb8045438f75e9daccfa7200的范围.
(2)当eqIda9cd3f94eb8045438f75e9daccfa7200在(1)中求得的范围内变化时,求函数eqIda3638a3687c144b2a1b2ead330c7492d的最大值和最小值.
更新:2020/08/05难度:0.85题型:解答题组卷:0
eqId70a27b6ddf6b478285353abb3b1f3741eqIdaea992e70d4943e49e893817eb885ed7都是不等于1的正数,则“eqId79114e9fc29142c2b82aab55254cf210”是“eqId53f7674f30384119a90888f041160751”的(   )
A.充分不必要条件B.必要不充分条件
C.充分必要条件D.既不充分也不必要条件
更新:2020/08/05难度:0.65题型:单选题组卷:0
(1)已知函数eqId5f5399bddba84957b4c7bf29cee6715c的图像恒过定点A,且点A又在函数eqIde4a3b93fc8cd4a21bc47078852031acd的图像上,求不等式eqId75efa790dfaa41e199878c85b2d180fd的解集;
(2)已知eqId7887bd71538540bf89316e0419dc97d9,求函数eqId7d5a50b4930846f5a7662d71074a4b89的最大值和最小值.
更新:2020/08/03难度:0.65题型:解答题组卷:65
已知函数eqIde4a0e3706b56447b90fe1b2781f91b14是定义在eqId7dcd2312d0bf4bb1befdfcc170e45791上的奇函数,当eqIdb939f669def8477b94cb118ca839d363时,eqIdf1af653458ab4038ac7560191b52dc3e,若实数eqId3a4208e0040c42ed8b09de2cae9d562e满足eqId6bb7d468ebb843c68f0ac21a52f55c4b,则eqId3a4208e0040c42ed8b09de2cae9d562e的取值范围是(   )
A.eqId323f475dfcaf4ae08383223118752b2aB.eqIdf0ab5ef9b29144eeac40dc1466774b49C.eqId3f0a3d4c85c241a291cbf73b84cffc79D.eqId278047114dad470b9a7164fa0ab0d213
更新:2020/08/02难度:0.65题型:单选题组卷:688
已知函数eqId7616c13b2c314f939690262096ee88ed,若eqIdbdcd4509a92f458fb077f0b6f6150e0a,则eqId70a27b6ddf6b478285353abb3b1f3741的取值范围是____________.
更新:2020/08/02难度:0.4题型:填空题组卷:65
eqIdfb866954be9947f49c05c9ef22dbd1cfeqId982da3835b7946d999cc8604a2ece266eqIdd951487aa2c84adebbd85d63425e0e52),eqId2dc0511eda1749ce90d3640f9d65c4ae,则(   )
A.eqId84baf5260a714df9a42e9e3daf01ca4aeqId1a3af296c94f46d08d8ad824249db5cfB.eqIdaf0c28fa6a1e435ba5462b37418b2f99eqId1a3af296c94f46d08d8ad824249db5cf
C.eqId84baf5260a714df9a42e9e3daf01ca4aeqId46d259dd60544f82a450d5e6c31b1db0D.eqIdaf0c28fa6a1e435ba5462b37418b2f99eqId46d259dd60544f82a450d5e6c31b1db0
更新:2020/08/01难度:0.85题型:单选题组卷:108