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单选题 | 一般(0.65) |
1 . 已知函数eqId3b6c130c165140efa1c554108aab0e52eqId5decc61a98054e39aab27aa7da6af31eeqId28c4c21271884dfeac29ce0222782376eqId7f992f44b6c64819a9969b5b02a7691a上的最大值为eqIdaea992e70d4943e49e893817eb885ed7,当eqIdf4483311515446f59580ee9ee50b1837时,eqId315251a12ee34124b6cce6631ed41944恒成立,则eqId70a27b6ddf6b478285353abb3b1f3741的取值范围是(   )
A.eqId2ab02efa03c2467c8bc857883cfd7e05B.eqIdc4a0e79aae284072becf8433d1b4c224C.eqIdd4aff0cf52d14de89881f0ddf5547b84D.eqId6152e5db0df646ff94f7e2609661b73c
更新:2021/07/25组卷:1
填空题 | 较易(0.85) |
2 . 若关于eqIda9cd3f94eb8045438f75e9daccfa7200的不等式eqId4ab02da57537497ea787fabfcb62a5f6的解集为eqId7c601088a97e42f4b704f6dfec8fbbfe(eqId9776f900e7914c5c9e878d1e0c7bf5ec),且eqId7c601088a97e42f4b704f6dfec8fbbfe中只有一个整数,则实数eqId70a27b6ddf6b478285353abb3b1f3741的取值范围是_________
更新:2021/07/25组卷:1
单选题 | 较难(0.4) | 2020·全国高二课时练习
同步
3 . 若存在斜率为eqId5a72f69d321649229166965e4f4e3599的直线eqId417e80f1349244878d01fe90e0891f5f与曲线eqId2a39244af1bb49ce9702c89bb0433749eqIdbe65a8ce02124186bbb2cc031621c30a都相切,则实数eqIdaea992e70d4943e49e893817eb885ed7的取值范围为(   ).
A.eqIdf33363c543e64be5833b66a5adc3d8b8B.eqIde7dc16a6476c43988fcefe63346e680dC.eqId56b0771b5d1e47e597204b8338e180e0D.eqId9136d634e8664b13bf66e420ff56a909
更新:2021/07/25组卷:0
单选题 | 较难(0.4) | 2020·全国高二课时练习
压轴同步
4 . 已知eqId34783e6e088242caa0592c3db8a8a3e9eqId6dc054c3d8a54fc09d4eb26746716789,对任意的eqId16c38e0b766542d5900010da4c2c83b4,存在实数eqId70a27b6ddf6b478285353abb3b1f3741eqIdaea992e70d4943e49e893817eb885ed7满足eqIdc1e8437b8ee246efb736bd044545339a,使得eqIdcf827684e8b2470188113dbc59dbeb45,则eqId4d2187284c5d4de29906363f7d21f60f的最大值为(   )
A.eqId37705e1ef6a84bbdbe88433e75932cdfB.eqIdc052ddfbd4524f67a79e0e77c2e5656aC.eqId8898c1dc81824f3098bbeae74e8f11fdD.eqIdddd35c5d043e4ebeac32a99367053c68
更新:2021/07/25组卷:0
6 . 在区间eqIddc111c9d53044f68bbaab8eb7e85c58b上随机取值作为x,则eqIdb8a2739ac4da42b4962e39bee5b494f8的概率为(   )
A.eqId4a6d9e827a244409a8376651b7e648c4B.eqId96c7406fe9bb42d482404e87ed3f58bdC.eqId44aff622a095465082b61837e24439e7D.eqId5f51ce9cc7fe4412baeb871cceb26665
7 . 已知函数eqIde0de0681eee04922b710250bed3ca7a2,其中eqIde9edd995034840cfb557ea415074294a.
(1)当eqId982da3835b7946d999cc8604a2ece266时,讨论函数eqId6f13759e937144069819aed2ae5a1057的单调性;
(2)当eqId0be4e678c13c4855b0d3f5c45188da09时,证明eqIdbdbe84612c0241a39de0e6e2a32f807a(其中e为自然对数的底数).
8 . 若函数eqId6ca8df1f73c94204a7f6be05f46765da在区间eqIde327c47000b04c6daee727c47be19120上单调递增,则实数m的取值范围(   )
A.eqId93a03c217224405ab4b1b4dff9b4d5efB.eqId435048041c694f3cb20c794d6388a565C.eqId75a42594029e47e9beeb170ad31116d5D.eqIda16d9051486e4f2d84775bf8cc1b8582
9 . 已知函数eqId109e3ee2146c41e99441c9c7a83d046feqIda9bdfcc4f50949feafc4f4d175e17190eqIddb2434488713493c848a36c620dcdcaf恒成立,则实数a的可能取值为(   )
A.eqIdaa76696764fb437882516a00e54d798cB.eqIde772746b0baa43b6b0cf7d076c6e13d3C.eqId35042a9000404cec92f70f975294facdD.eqId5bb44ebe52bf41f7b5998ff73aa391df
10 . 已知函数eqId7febc8eabf3646a5a59d6c2a5ec7388a
(1)若eqId8fc29f78d9744140b2db99d941134919eqIdcb9cb8feb01f448397391534bb1367d5恒成立:求实数a的取值范围;
(2)当eqId2d569479cd1c43c1af15895792b64db6时,证明:eqId62581eef94f84cfaad1cdbe5e6d75cbe
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