组卷网>知识点选题>构造方程组法求函数解析式
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1 . 已知函数eqId6f13759e937144069819aed2ae5a1057R上的偶函数,eqIdfcaf3bbe14e548cc8d47beb2467db5a0R上的奇函数,且eqIdfd3e1f9da50d4949949de3925004a5ba,则eqId5a03d806387f4b5d8b5de0172913af28___________.
3 . 已知函数eqId601460550be242ea8a34ae2b4a859f24满足eqId28f5b3230ed84edc922c25ea6c174b1f
(1)求eqId53dadb9f9a73437da8ceebc06b510fd9的值;
(2)求eqId601460550be242ea8a34ae2b4a859f24的解析式;
(3)若eqIdeebdffbe88ef44abb0b999c3902d27b7eqId8ccbf04e8c9a460e9db5e8c1912e08b9恒成立,求eqIda4be99d332154d13a4a6ed1ff6444fe7的取值范围.
4 . 已知函数eqId6f13759e937144069819aed2ae5a1057eqId6fc94f6e181444c6b809fb393eb8fae6均有eqId4606053810564592a79ecdfcdf6e648d,若eqIdb66459e7cb67449194c499de0f5ef32f恒成立,则实数m的取值范围是_______.
5 . 已知奇函数eqId4837c94ef0ff4dcf9b1dda4df363275a与偶函数eqId28c4c21271884dfeac29ce0222782376满足:eqIdd9b68db8955841c59c74b208b23f3130(其中eqIdf035b8f27d4645bb9f6a66f4a3f51918为自然对数的底数),则下列结论中正确的是(   )
A.eqId4c373e16179f4645b4ec2a17fd5c9ac9
B.eqId1588438912e54050a350454c9190aced
C.eqIdcd215b6340f84f94a0591be18ab83cc4
D.当eqId4db620a5946b4ee0a9f530f35a6d505aeqIdae682e8924514b05be0b946a6824c2fb时,恒有eqId43d4b1d9019a4e63898870c4e7e732f9成立
6 . 定义在R上的函数eqIdfcaf3bbe14e548cc8d47beb2467db5a0和二次函数eqId35f0efe769ec417999184e899886ad69满足:eqIdcc73e2920749455fb8ee9d46465f3332.
(1)求eqIdfcaf3bbe14e548cc8d47beb2467db5a0eqId35f0efe769ec417999184e899886ad69的解析式;
(2)若对于eqId735b8047beee4dee870fc72ae837a245eqId8737829c358c49d3bc5355b7a4d6eba7,均有eqId1df61540f19840f9a2fc028029318e4c成立,求a的取值范围;
解答题 | 一般(0.65) |
7 . 已知函数eqId4837c94ef0ff4dcf9b1dda4df363275aeqId28c4c21271884dfeac29ce0222782376分别是定义在eqId7dcd2312d0bf4bb1befdfcc170e45791上的偶函数和奇函数,且eqIdbd6bd2b5ee8b46f68ed37be902697810
(1)求函数eqId4837c94ef0ff4dcf9b1dda4df363275aeqId28c4c21271884dfeac29ce0222782376的解析式;
(2)若对任意eqIdf4483311515446f59580ee9ee50b1837,不等式eqIda83e81afa4a841f0aec7d93d499db5b3恒成立,求实数eqIda4be99d332154d13a4a6ed1ff6444fe7的最大值;
更新:2021/04/22组卷:973
9 . 求函数解析式:
(1)若eqId7c855e00797e44be9ab63b439b72c7bc,求eqIdd9840ca751484c2b9ded0703847489fd
(2)若eqId05460af0c2724f54b1de9def1c421106,求eqIde4a0e3706b56447b90fe1b2781f91b14
(3)若eqId932eb887556b404aa43ea57e3e567d1e,求eqIde4a0e3706b56447b90fe1b2781f91b14
解答题 | 一般(0.65) |
10 . 根据下列条件,求函数eqId4837c94ef0ff4dcf9b1dda4df363275a的解析式;
(1)已知eqId4837c94ef0ff4dcf9b1dda4df363275a是一次函数,且满足eqId39dc822969f349139f78965f6df5474e
(2)已知eqIde4e1418a594e40e095f637e5c2dff31e
(3)已知等式eqIdf3f794a2008c43b3878e94ab1ebf6e3d对一切实数eqIda9cd3f94eb8045438f75e9daccfa7200eqId072d7d6b911b42bc89207e72515ebf5f都成立,且eqId48252f1841a34ad183c4c75ed5985324
(4)知函数eqId4837c94ef0ff4dcf9b1dda4df363275a满足条件eqId8053017b47fc4d83a7a8148e2180f848对任意不为零的实数eqIda9cd3f94eb8045438f75e9daccfa7200恒成立
更新:2021/03/15组卷:806
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