A.(-2,+∞) | B.(0,+∞) | C.(1,+∞) | D.(4,+∞) |
f(x) |
ex |
f′(x)ex-f(x)ex |
(ex)2 |
f′(x)-f(x) |
ex |
f(0) |
e0 |
A.
| B.-
| C.8 | D.-8 |
x |
2 |
1 |
2 |
A.2n | B.2n-1 | C.4n+1 | D.4n-1 |
A.f(0)<f(-0.5)<f(0.6) | B.f(-0.5)<f(0.6)<f(0) |
C.f(0)<f(0.6)<f(-0.5) | D.f(-0.5)<f(0)<f(0.6) |
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