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)",[20,31,40,43,52,61,70,79,88,97],{"answer":21,"createTime":5,"id":22,"options":23,"question":28,"source":29,"type":30},[],985649298,[24,25,26,27],"136","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F648266701a10fdab1a19f9396bbe0713.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb7da53ff73736120e569fad46b298db4.png\">","68","设某产品的总产量的变化率为f(t)=10t-t2,那么t从t0=4到t1=8这段时间内的总产量为( )","v2",0,{"answer":32,"createTime":5,"id":33,"options":34,"question":39,"source":29,"type":30},[],985649299,[35,36,37,38],"p","2p","4p","6p","两椭圆曲线\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa57b7ad31cf1313975596bd79365c5ed.png\"> 及\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc9e831dd486c3ad9b39ef52719e94c8e.png\"> 之间所围的平面图形面积为( )",{"answer":41,"createTime":5,"id":6,"options":42,"question":18,"source":29,"type":30},[],[8,9,10,11],{"answer":44,"createTime":5,"id":45,"options":46,"question":51,"source":29,"type":30},[],985649307,[47,48,49,50],"xf(x2)","-xf(x2)","2xf(x2)","-2xf(x2)","设f(x)连续,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd647d8bdcb690bd4ad2997a815f9bc4e.png\"> ( )",{"answer":53,"createTime":5,"id":54,"options":55,"question":60,"source":29,"type":30},[],985649308,[56,57,58,59],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4591a90715f3074f7d1f9f2513fed0ad.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3bdba72ab68662706f5365e73cbf4120.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3f68b60b87bcf1962a1b066684c94997.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F41f33d40214e7e7d7febc8188c2ab7b1.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F45319921572d35ce65d6e8a56028e6cf.png\"> ( )",{"answer":62,"createTime":5,"id":63,"options":64,"question":69,"source":29,"type":30},[],985649309,[65,66,67,68],"32","36","40","44","一个食品公司正在增设网点,若经营费用增加率\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F76810028e464fa19c06b51b53a379788.png\"> (百万元\u002F年),而收入的增加率\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1a9576f0669e34a8645cc25d05a07ddc.png\"> (百万元\u002F年),其中x表示增设的网点数,初期投入费用C0=100百万元,则欲使增设网点后利润最大,应增设( )家店.( )",{"answer":71,"createTime":5,"id":72,"options":73,"question":78,"source":29,"type":30},[],985649310,[74,75,76,77],"f¢(p)-f¢(-p)","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb242a45cfa5c1866addf57b2d8beb409.png\">","f(p)-f(-p)","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0eb51049710518f0b1704306e66c39f5.png\">","若函数f(x)的二阶导数连续,且满足f²(x)-f(x)=x,则\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F27167bdbc4bc7a1932488cb8cdaab5b5.png\"> ( )",{"answer":80,"createTime":5,"id":81,"options":82,"question":87,"source":29,"type":30},[],985649311,[83,84,85,86],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3ca1db3399243d62d699ea3fa25cd9fb.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdc8af6f4b3ce7e5e98a085c6d9669ae4.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F06c21ae908e4c0f58179f453cae4ad6b.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F663ec4a60d78007a8a961c7eaf58ef30.png\">","曲线y=|lnx|与直线\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd6b5b63f5215d6086dd6c61272764798.png\"> ,x=e及y=0所围成的平面图形的面积A=( )",{"answer":89,"createTime":5,"id":90,"options":91,"question":96,"source":29,"type":30},[],985649312,[92,93,94,95],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F27b4739afd278e682b735469fd984041.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F195da4a6a096abaec09702f0c3c1869d.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe09286a0067f530f9fd8f1f9ab829a07.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5f1a15867defb1e3859c4d3c31322fdf.png\">","设某企业边际成本是产量Q(单位)的函数\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F890111ea32b7d05274b97c19ce6d3603.png\"> (万元\u002F单位),其固定成本为C0=90(万元),则总成本函数为( )",{"answer":98,"createTime":5,"id":99,"options":100,"question":105,"source":29,"type":30},[],985649313,[101,102,103,104],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1ec24c622b25ebd28f943741333d7a7a.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe5bce4176cadcb21b8178b35e810164f.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb2cde4daf290509974646bcd387e770c.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffc0e9d99ff532397eaa8735137044ac5.png\">","将曲线y=x2与x轴和直线x=2所围成的平面图形绕y轴旋转所得的旋转体的体积可表示为Vy=( )"]