【简答题】已知正方形OABC的面积为4,点O是坐标原点,点A在x轴上,点C在y轴上,点B在函数 的图象上,点P(m,n)是函数 的图象上任意一点。过点P分别作x轴、y轴的垂线,垂足分别为E、F。若设矩形OEPF和正方形OABC不重合部分的面积为S。 (1)求B点的坐标和k的值; (2)当 时,求点P的坐标; (3)写出S关于m的函数关系式。
【单选题】若f(x)的一个原函数是e-2x,则∫f(x)dx=( )。
【单选题】F(S)=(S+5)/S(S+1) 2 的原函数f(t)为( )。
【多选题】下列关于元节奏流水施工,正确的说法是( )。
【单选题】Which accounting principle tells accountants when to record revenue:
A.
Profit recognition principle
C.
Going concern principle
D.
Accounting period concept
【单选题】The accounting principle that requires revenue to be recorded when earned is the:
B.
Revenue recognition principle.
C.
Time period assumption.
D.
Accrual reporting principle.
【单选题】The accounting principle that requires revenue to be recorded when earned is the:
B.
Revenue recognition principle.
C.
Time period assumption.
D.
Accrual reporting principle.
E.
Going-concern assumption.
【单选题】The accounting principle that requires revenue to be recorded when earned is the:
A.
Expense recognition (matching) principle.
B.
Going-concern assumption.
C.
Time period assumption.
D.
Accrual reporting principle.
E.
Revenue recognition principle.
【简答题】如图正方形OABC的面积为4,点O为坐标原点,点B在函数 ( , )的图象上,点 是函数 的图象上异于B的任意一点,过点P分别作x轴,y轴的垂线,垂足分别为E,F. (1)设矩形OEPF的面积为S 1 ,判断S 1 与点P的位置是否有关(不必说理由). (2)从矩形OEPF的面积中减去其与正方形OABC重合的面积,剩余面积记为S 2 ,写出S 2 与m的函数关系,并标明m的取值范围.
【单选题】The accounting principle that requires revenue to be recorded when earned is the:
B.
Revenue recognition principle.
C.
Time period assumption.
D.
Accrual reporting principle.
E.
Going-concern assumption.