ex |
a |
a |
ex |
1 |
aex |
ex |
a |
a |
ex |
1 |
a |
1 |
ex |
1 |
a |
1 |
ex1 |
1 |
ex2 |
1 |
ex1+x2 |
1-ex2+x1 |
ex2+x1 |
a |
x2 |
A.(-∞,4) | B.(-∞,4] | C.(-∞,8) | D.(-∞,8] |
π |
2 |
π |
2 |
A.x1+x2>0 | B.x12>x22 | C.x1>x2 | D.x1<x2 |
A.f(sinα)>f(cosβ) | B.f(cosα)<f(cosβ) |
C.f(cosα)>f(cosβ) | D.f(sinα)<f(cosβ) |
2 |
3 |
c |
6 |
A.[-
| B.[-10,2] | C.[-10,-1] | D.[-1,
|
A.y=cosx-1 | B.y=-x3 | C.y=x|x| | D.y=
|
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