组卷网>知识点选题>根据集合包含关系求参数值或范围
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2 . (1)设非空集合eqId6a7c38e94b7c464b8df48ede0674a1f4eqId6bf67d6e5e8a4704af4a71921fc3a305,且eqId82343fe4ff704d549a58b9743c81e3a6eqIda771d05242f8473a9bc2cf0f625380e8eqId381bff9f18254a9592099f7be08556e1,若eqId6794f503573b462e8b111fecfca03df1,求实数a的取值范围;
(2)若不等式eqId1ef0285076084a72891091d6c22c3641,当eqIdb129dc1ecbc1404bb2e22b6728ed0d0b时恒成立,求实数a的取值范围.
3 . 已知全集eqIdffc98c6243b14037a5a4f546dc73c9b4,集合eqId421f49b1da8849a89278d67be1268540,集合eqId4aed1367a8f04608a91212150ccc49bd.
(1)求eqId052844cae8574a8ab842c38a039baac0
(2)若eqId052844cae8574a8ab842c38a039baac0ÜeqId8754ce8cf7f34f04abb9a0c041f57f5c,求实数eqId70a27b6ddf6b478285353abb3b1f3741的取值范围.
4 . 设两复数集eqId3143537a77914db3891c9d53b3f60546eqIdedb89c41b42b4793804268f82f63a61c.
(1)若eqId47e8d156fcc641f58fc5d4e20e184bc9,求实数eqId5f420ef2d0b94c4b8a5d8e20a5d1ce2c的取值范围;
(2)当实数入在(1)中变化时,进一步讨论集合eqIdc08071c4a3a146a4bf52d119203087f7的元素个数,并当eqId5f420ef2d0b94c4b8a5d8e20a5d1ce2c取定值时,求eqIdc08071c4a3a146a4bf52d119203087f7
(3)本题的几何意义是什么?
5 . (1)已知命题eqId80fa3b93802841f390c4f3b8c8a240e8eqId6a4d9cc2130b428abfd6f0a89190ed44eqIda75485e4fb5148ddab27294eeeb9fb8c,命题eqIda5d0fc594d4048549d5bbda484fbecc8eqId08a22e3f099e4aa8815ceba88d54c33eeqIdf45fbc771743414d98d0fee68e94cb8f.若eqId80fa3b93802841f390c4f3b8c8a240e8eqIda5d0fc594d4048549d5bbda484fbecc8的充分非必要条件,求eqIda4be99d332154d13a4a6ed1ff6444fe7的取值范围;
(2)已知集合eqId4e4c450029544cc085bbb651fa278907eqIdb2c1e0327019440988b023bea7d74988,若eqIdf025e91176bd423dbdde444697e06bee,求实数eqId70a27b6ddf6b478285353abb3b1f3741 的取值范围.
7 . 已知eqIde9edd995034840cfb557ea415074294a,集合eqIde03a0375be894ed6aa607fefecea8d73,设关于eqIda9cd3f94eb8045438f75e9daccfa7200的不等式eqId178cd7fb738a49bea88ed6c6e2688f3a的解集为B,若eqId021ec4c84f0c4a2390186e7e4702f7a1,则实数eqId70a27b6ddf6b478285353abb3b1f3741的取值范围为_____________
9 . 已知eqId70a27b6ddf6b478285353abb3b1f3741为实数,eqId8688baf075714c1b90e5421d83480ff4eqIddc53257d98b7441b83cce008bb73600b,若eqId5708183981f3453bbefb6b72d046bfb4,则eqId70a27b6ddf6b478285353abb3b1f3741的取值范围为(   )
A.eqId8db787b1fecb48d9a410efd47c7a8118B.eqIdd4aff0cf52d14de89881f0ddf5547b84C.eqId68f73587123947aba24aeda2e00fec2cD.eqIdde46290baec04ea1a59331d8d94f28df
10 . 设eqId7b17e8fc3aa047f58f59d8a4e4e5ac0c,集合eqIde9b256fc880e48f99d291fc3024a53a4eqId5307921d532e484191d0a0299b459f07eqId45bddf63f97c49919d5847a8d864272b
(1)求出eqIdbedf755e0fdb4d078d6859360706b163集合.  
(2)若eqIdec68bf5d8c7540f48330313d41837affeqId462d6c0ae0d34e759aabc94c0c47cccd的充分条件,求实数eqId70a27b6ddf6b478285353abb3b1f3741的取值集合.
(3)若eqId37303db52eae469a99849374b5331b25,且存在eqIdb9626e962daf44ebaf4254c87997f6af,使得eqIdb19f53a3b21c40af85fe356877fa6872成立,求eqIda4be99d332154d13a4a6ed1ff6444fe7的取值范围.