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已知eqId3dbac602e92a42c48264a594a7c06d6feqIda351ddb0a717450b85d56b83972f794c.若对任意eqId6fc94f6e181444c6b809fb393eb8fae6,不等式eqIde8bab84053c64df48b9217454e7ffc1f恒成立,则eqId9d609f279a644edd984087b6697f08af的最小值是______.
更新:2019/11/20难度系数:0.94题型:填空题组卷:0次
定义eqIddc7a9b6ee25a45f79b440ea98cac3f37,已知函数eqId4837c94ef0ff4dcf9b1dda4df363275aeqId28c4c21271884dfeac29ce0222782376的定义域都是eqId7dcd2312d0bf4bb1befdfcc170e45791,现有下述命题:
①若eqId4837c94ef0ff4dcf9b1dda4df363275aeqId28c4c21271884dfeac29ce0222782376都是奇函数,则eqId0ac17612cbc34b468b35eb8cfd79cce4为奇函数;
②若eqId4837c94ef0ff4dcf9b1dda4df363275aeqId28c4c21271884dfeac29ce0222782376都是偶函数,则eqId0ac17612cbc34b468b35eb8cfd79cce4为偶函数;
③若eqId4837c94ef0ff4dcf9b1dda4df363275aeqId28c4c21271884dfeac29ce0222782376都是增函数,则eqId0ac17612cbc34b468b35eb8cfd79cce4为增函数;
④若eqId4837c94ef0ff4dcf9b1dda4df363275aeqId28c4c21271884dfeac29ce0222782376都是减函数,则eqId0ac17612cbc34b468b35eb8cfd79cce4为减函数;
则这些命题中,真命题的个数为______个.
更新:2019/11/20难度系数:0.85题型:填空题组卷:0次
若函数eqIda52ff1e35972469390983998719faf22的图象与eqId8e15963708e9415da25069fea5906e24轴有公共点,则实数eqId3a4208e0040c42ed8b09de2cae9d562e的取值范围是______.
更新:2019/11/20难度系数:0.65题型:填空题组卷:0次
定义在eqId1f0bdf0905964de69974073a47e88e98上的奇函数eqId4837c94ef0ff4dcf9b1dda4df363275a满足:当eqId26126945e23544d9b0cecaf9cf4809ac时,eqId4837c94ef0ff4dcf9b1dda4df363275a单调递减,若存在实数eqId3a4208e0040c42ed8b09de2cae9d562e,使得不等式eqIdcbc23b98e5434c54af4f233002f7a230成立,则实数eqId3a4208e0040c42ed8b09de2cae9d562e的取值范围是______.
更新:2019/11/20难度系数:0.94题型:填空题组卷:0次
已知偶函数eqId9b37d03e47a347fc8fab9f814ba5fac4在区间eqId47bb553718a644a9aba68733ad08312a上的解析式为eqId927643f29ec34615b5b5a18a885b421a,则eqId9b37d03e47a347fc8fab9f814ba5fac4在区间eqIdcd23deec614f478589b5ff357029ae50上的解析式eqId2572ba99435645ad86330d89061cd3a3______.
更新:2019/11/20难度系数:0.94题型:填空题组卷:0次
已知函数eqId9b37d03e47a347fc8fab9f814ba5fac4的定义域是eqId3a38395f01e941a8ba443c73b054ff57,则函数eqId2adfa89a34da49f9822a626ecdd437c6的定义域是______.
更新:2019/11/20难度系数:0.85题型:填空题组卷:0次
eqId843a3cf09c3a4d47b8f2185ab6f10432eqId11b62995bb04402b9127b2912cd511b1,若eqId5708183981f3453bbefb6b72d046bfb4,则实数eqId70a27b6ddf6b478285353abb3b1f3741的取值范围是______.
更新:2019/11/20难度系数:0.94题型:填空题组卷:0次
更新:2019/11/20难度系数:0.94题型:填空题组卷:0次
已知eqId96e05da250cc461e9a0cf2cc49eb9bf6,则eqIdb55683624be34d62b872f41d66161954______.
更新:2019/11/20难度系数:0.94题型:填空题组卷:0次
设扇形的周长为eqIdfe228a9adc1a4ac4a9c49e064cd4f8b1,半径为eqId4d645006ab734dc693f7d5f5165d428e,则扇形的圆心角的弧度数是______.
更新:2019/11/20难度系数:0.94题型:填空题组卷:0次
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