2x |
a |
a |
2x |
2x |
a |
a |
2x |
2-x |
a |
a |
2-x |
2x |
a |
a |
2x |
1 |
a•2x |
2x |
a |
a |
2x |
1 |
a |
1 |
2x |
1 |
a |
1 |
a |
1 |
2x |
1 |
2x |
1 |
a |
1 |
2x |
2xln2 |
22x |
1 |
22x |
22x-1 |
22x |
x2+1 |
|x| |
A.y=x-2 | B.y=x4 | C.y=x
| D.y=-x
|
2a+1 |
x+1 |
A.(-
| B.(
| C.(-
| D.(-
|
x2+2x-3 |
A.(-∞,-3) | B.(-1,+∞) | C.(-∞,-1 | D.[-1,+∞) |
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