Q表示产量,成本C(Q)=100+13Q,单价p,需求量Q(p)=800/P+3-2则工厂取得利润最大时的产量为_____
8
若函数在x=0处连续,则()
________they'vegottoknoweachotheralittlebetter,theygetalongjustfine.
设曲线L:f(x,y)=1(f(x,y)具有一阶连续偏导数),过第II象限内的点M和第IV象限内的点N,T为L上从点M到点N的一段弧,则下列小于零的是()
________(fail)severaltimes,theyneedsomeencouragement.
Hardlyhadhefinishedhisspeech________theaudiencestartedcheering.