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- - \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F374141c420274ba02028424e63bca4de.png\"> - - - 0 +",{"answer":58,"createTime":5,"id":59,"options":60,"question":61,"source":30,"type":31},[],274824640,[52,53,54,55],"已知某函数一阶和二阶导数在各区间上的取值符号如下表,则在区间\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd02c1081faab7353bdbd698a25cfce97.png\">上函数图象的单调和凹凸情况是( )\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F57b386aac9b626fe156d4f68f241dd6f.png\">\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9a042f31fa08cb588698be6bcc304ea3.png\">\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc8442ec5f2821238deceb0ee0aec9c60.png\">\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd02c1081faab7353bdbd698a25cfce97.png\">\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc388dd7de75ebadde08fa463e7b548b2.png\">\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3cd7a378f77482df1e19e0700ba7cbe8.png\"> 0 y′ - - - 0 + 1 y″ - 0 + + + 0",{"answer":63,"createTime":5,"id":64,"options":65,"question":66,"source":30,"type":31},[],274824641,[52,53,54,55],"已知某函数一阶和二阶导数在各区间上的取值符号如下表,则在区间\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F786e9e9b1913a4602d64e2d8da74d475.png\">上函数图象的单调和凹凸情况是( ) \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F57b386aac9b626fe156d4f68f241dd6f.png\"> \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc17f879a1a1d11589df62d10cf4fff93.png\"> \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc388dd7de75ebadde08fa463e7b548b2.png\"> \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3cd7a378f77482df1e19e0700ba7cbe8.png\"> \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F67c309d7b1ab03046a428a0cb6c8faa2.png\"> \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb0be95d0b2b90c406780029709a2fc1b.png\"> 1 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F786e9e9b1913a4602d64e2d8da74d475.png\"> y′ + 0 - -1 - 0 + y″ - - - 0 + + +",{"answer":68,"createTime":5,"id":69,"options":70,"question":71,"source":30,"type":31},[],274824642,[52,53,54,55],"已知某函数一阶和二阶导数在各区间上的取值符号如下表,则在区间\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F368ee7a635c254166da9d6aa7c658635.png\">上函数图象的单调和凹凸情况是( ) \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F57b386aac9b626fe156d4f68f241dd6f.png\"> \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fda5dc9d26d3924b5f6c15bd9f011ed88.png\"> 1 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F368ee7a635c254166da9d6aa7c658635.png\"> 2 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F67940a6f738b2cc79e82975da386b3cb.png\"> y′ + 0 - - - y″ - - - 0 +",{"answer":73,"createTime":5,"id":74,"options":75,"question":80,"source":30,"type":31},[],274824643,[76,77,78,79],"单调减且凸","单调减且凹","单调增且凸","单调增且凹","如当 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7e784f063b48cda4192d386336986594.png\">时,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc5fe05739777b1a7bc8aacc90846bde9.png\"> ,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0e36dca2f7263d6a623276b4d8b80ab6.png\">,则曲线\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0ed283ea1bc9b8d243f2fd4e21ceff05.png\">在区间\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F86425bdd7b8f345edbb9e3243ec1bc55.png\"> 上( )",{"answer":82,"createTime":5,"id":83,"options":84,"question":85,"source":30,"type":31},[],274824644,[76,77,78,79],"当\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcfc7ae5ff2b633a5017338fd66afc21a.png\">时,如果\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd4fc5fdb5e7286d4734e4cd7d2f7ca11.png\">,则曲线\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb9fd3764550f8482c2ab2eef5e7f45ec.png\">在区间\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3f4e00801a1b5603b74a9dfd28054f47.png\">上( )"]