1 |
2 |
1 |
2x+1 |
A.(-a,-f(a)) | B.(a,f(-a)) | C.(a,-f(a)) | D.(-a,-f(-a)) |
1 |
2 |
1 |
2x+1 |
1-2x |
2(2x+1) |
1 |
2 |
1 |
1+2-x |
2x |
2x+1 |
1 |
2 |
2•2x-2x-1 |
2(2x+1) |
2x-1 |
2(2x+1) |
A.a>0 | B.a>
| C.a>0或a<-12 | D.a>
|
2 |
2x+1 |
1 |
4 |
A.y=tanx | B.y=3x | C.y=x
| D.y=lg|x| |
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