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A.-
| B.-
| C.0 | D.1 |
lim |
x→0 |
lim |
x→0 |
lim |
x→0 |
| |||
|
lim |
x→0 |
(
| |||||
(
|
lim |
x→0 |
x | |||||
(
|
lim |
x→0 |
x(
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1-x-1 |
1 | ||
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lim |
x→0 |
-(
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1+
|
3 |
2 |
1 |
2x |
| ||
2 |
2 |
A.(-∞,5) | B.(-∞,5] | C.(5,+∞) | D.[5,+∞) |
f(x)+f(-x) |
x |
A.(-2,0)∪(2,+∞) | B.(-∞,-2)∪(0,2) | C.(-∞,-2)∪(2,+∞) | D.(-2,0)∪(0,2) |
kx+2 | ||
2
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