2014年成人高考专升本高等数学(一)应试模拟题(7)
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一、选择题:共10小题,每小题4分,共40分.在每小题给出的四个选项中,只有一项是符合题目要求的.
1、
A.凹
B.凸
C.凹凸性不可确定
D.单调减少
2、
A.1
B.
C.
D.1n 2
3、设函数f(x)=2sinx,则f'(x)等于( ).
A.2sinx
B.2cosx
C.-2sinx
D.-2cosx
4、
为二次积分为( ).
A.
B.
C.
D.
5、下列命题中正确的有( ).
A.
B.
C.
D.
6、
A.
B.
C.
D.
7、
下列关系式正确的是( ).
A.
B.
C.
D.
8、
A.
B.
C.
D.
9、设y=sin(x-2),则dy=( ).
A.-cosxdx
B.cosxdX
C.-cos(x-2)dx
D.cos(x-2)dx
10、
A.
B.e
C.e2
D.1
1、

A.凹
B.凸
C.凹凸性不可确定
D.单调减少
2、

A.1
B.

C.

D.1n 2
3、设函数f(x)=2sinx,则f'(x)等于( ).
A.2sinx
B.2cosx
C.-2sinx
D.-2cosx
4、

A.

B.

C.

D.

5、下列命题中正确的有( ).
A.

B.

C.

D.

6、

A.

B.

C.

D.

7、
下列关系式正确的是( ).
A.

B.

C.

D.

8、

A.

B.

C.

D.

9、设y=sin(x-2),则dy=( ).
A.-cosxdx
B.cosxdX
C.-cos(x-2)dx
D.cos(x-2)dx
10、

A.

B.e
C.e2
D.1
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