AE |
EB |
CF |
FD |
A.f(λ)在(0,+∞)单调增加 |
B.f(λ)在(0,+∞)单调减少 |
C.f(λ) 在(0,1)单调增加,而在(1,+∞单调减少 |
D.f(λ)在(0,+∞)为常数 |
AE |
EB |
CG |
GB |
CF |
FD |
x2-2x+1+t |
1 |
2 |
t |
x |
p |
q |
3 |
4 |
p |
q |
3 |
8 |
1 |
3 |
1 |
n |
A.1 | B.2 | C.3 | D.4 |
A.f(x)=3-x | B.f(x)=lg(x-2) | C.f(x)=-
| D.f(x)=sinx |
|
1 |
f(2) |
A.
| B.-
| C.
| D.18 |
2 |
x |
A.(0,
| B.[-
| ||||||||
C.(0,
| D.(0,
|
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