组卷网>知识点选题>已知单调区间求参数范围问题
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多选题 | 一般(0.65) | 2022·全国高三专题练习
1 . 已知函数eqId48f34dcea8544d698efa53ce4bb4d699在区间eqId986adeb8e2ae46719e1f5300aaa8b815eqId43627b32bd7b44d5b620a845885ad154上是增函数,则实数eqId70a27b6ddf6b478285353abb3b1f3741可取(   )
A.0B.eqId49b7b111d23b44a9990c2312dc3b7ed9C.eqId5f51ce9cc7fe4412baeb871cceb26665D.eqId44aff622a095465082b61837e24439e7
更新:2021/08/01组卷:0
单选题 | 一般(0.65) | 2022·全国高三专题练习
2 . 已知函数eqIdc249362c69fc4bcea5e1af129fde0cc9eqId0f57d8a8d57848ea8e247addbd988d7f上单调递减,则实数eqId70a27b6ddf6b478285353abb3b1f3741的取值范围是(   )
A.eqIda34dd6d76e4747ee85af4240a59f2093eqIda68fc8cd229b4482b6022039ee7ce12feqIdcd8f642be8894d659a9756cfe2117c78B.eqId9c4f56b428bd4a5c947d36cfcedceddf
C.eqIda34dd6d76e4747ee85af4240a59f2093eqIda68fc8cd229b4482b6022039ee7ce12feqId9a80e89f25a74832aed9657c5c739857D.eqIda34dd6d76e4747ee85af4240a59f2093eqIda68fc8cd229b4482b6022039ee7ce12feqId16e11aedba3643328d3561c9e0c7585b
更新:2021/07/31组卷:0
3 . 如果函数eqIdd8175b6d7739494db034b1f67d98fc50在区间eqId4f008aee9dfe4bddbc0b492ff34f089e上单调递减,那么实数a的取值范围是________.
4 . 下列命题正确的是(   )
A.若函数f(x)定义域为[1,5],则函数f(2x+1)的定义域为[0,2]
B.f(0)=0是f(x)为奇函数的必要不充分条件
C.函数eqId352294a393ee482880b4e9a30143ebbe的最小值为-4
D.函数eqId0015d6ececa947b3b3ac2ee27d8b5ace 在区间(3m-2,m+2)内单调递增,则实数m的取值范围为eqId4918ddf865c048e3af933fef4bca8b7b
5 . 已知eqId4837c94ef0ff4dcf9b1dda4df363275a是定义在eqIdaecc14107d924f029d8cfe4e9ca7ab75上的单调递减函数,且eqIde5820ce680324d18946cb67d5f1a4fc6 ,则实数eqId70a27b6ddf6b478285353abb3b1f3741的取值范围是(    )
A.eqId46b75062041541b586d1eed753b6785fB.eqId3427c82eff784f0ca4e04c5777bed091C.eqId34d8144fd35b4e618a2b816fbacad154D.eqIde743ba450d274e5db8ea3fcf8dda4614
6 . 已知二次函数eqId6f13759e937144069819aed2ae5a1057的最小值为1,且eqIda6e7bd7f36ff46d68690253845a1593a
(1)求eqId6f13759e937144069819aed2ae5a1057的解析式;
(2)若eqId6f13759e937144069819aed2ae5a1057在区间eqId842d19f1619049fcb7631579d0063dbb上不单调,求实数a的取值范围;
(3)在区间eqIdce200b76babe4284ae3e60dc50a9001e上,eqId144eff5c0e4649138a21f2b1b6a06907的图象恒在eqIdb03cf6eef1394c27a2f19fa39990d1e5的图象上方,试确定实数m的取值范围.
7 . 若函数eqIda403789cb82640c8a2d5878867274c82在区间eqId3cd66a90555c4670923104c27bf2046d上是单调函数,则eqId4d2187284c5d4de29906363f7d21f60f的取值范围是__________.
8 . 已知函数eqIdd821d56305794320933576a9ad98cafceqIde327c47000b04c6daee727c47be19120上单调递增,则a的取值范围(   )
A.eqIdb59ab03e5eca49ed9736dde7a25613deB.eqId6152e5db0df646ff94f7e2609661b73cC.eqId96d19931404448fea73f2bfc1bdbd81fD.eqIdfdfd887fa0a44f60b5e564120c1e7b8d
9 . 若函数eqId330bcc12794c45e8a1d5baaacd9a99ae在区间eqIde65fe656e2c04e89bc108b9019e63ee7内单调递增,则实数eqIda4be99d332154d13a4a6ed1ff6444fe7的取值范围为(   )
A.eqIdce60ee63fb5c4382a2475ca7780f291aB.eqId594c20c29e294bc2bc01c4e7c88ac45fC.eqId4918ddf865c048e3af933fef4bca8b7bD.eqIde30bb6d75a8041929622aa88cdb2851a
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