A.对
B.错
[问答题]------------.
[问答题](1)常数A、B;(2)X的分布函数F(x);(3)P{0.5 < X≤ 5
[问答题]------------.
[问答题](1)常数A、B;(2)X的分布函数F(x);(3)P{0.5 < X≤ 5
[问答题]------------.
[单选题]A.f(0)是f(x)的极大值。B.f(0)是f(x)的极小值。C.(0,f(0))是y=f(x)的拐点。D.x=0不是f(x)的极值点,(0,f(0
[单选题]A.f(0)是f(x)的极大值。B.f(0)是f(x)的极小值。C.(0,f(0))是y=f(x)的拐点。D.x=0不是f(x)的极值点,(0,f(0