4x+1 |
2x |
A.关于原点对称 | B.关于直线y=x对称 |
C.关于x轴对称 | D.关于y轴对称 |
4-x+1 |
2-x |
1+4x |
2x |
|
A.(
| B.(
| C.(
| D.(
|
A.y=-f(x) | B.y=f(3x) | C.y=f(-x) | D.y=f(x2) |
A.y=log
| B.y=
| C.y=x3 | D.y=tanx |
A.(-2,2) | B.(-2,2] | C.(-∞,-2)∪[2,∞) | D.(∞,2] |
1 |
3 |
A.(
| B.(-∞,
| C.(
| D.[
|
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