专升本高等数学(二)-181
1. 设,则
A -1
B 0
C 1
D 2
A f(0)>f(1)>f(2)
B f(0)<f(1)<f(2)
C f(0)<f(2)<f(1)
D f(0)>f(2)>f(1)
A 2
B 2x
C 2+2y
D 0
10. 设函数ycosx+1,则dy=
A (sinx+1)dx
B (cosx+1)dx
C -sinxdx
D sinxdx