4x |
f(x) |
1 |
2 |
b-k |
4 |
b+k |
4 |
|
|
4x |
f(x) |
4x |
-4x+2 |
2x |
-2x+1 |
2x° |
-2x°+1 |
1 |
2 |
2(1-x°) |
-2(1-x°)+1 |
2(1-x°) |
2x°-1 |
2x° |
-2x°+1 |
4x°-2-2x° |
-2x°+1 |
2x°-2 |
1-2x° |
(x+1)2+y2 |
(x-1)2+y2 |
4x |
f(x) |
1 |
2 |
x2+2 |
|x| |
a-1 |
a |
A.a>0或a<-1 | B.a>-1 | C.a>2或a<0 | D.a<0 |
ax+b |
1+x2 |
1 |
2 |
2 |
5 |
a-1 |
a |
3 |
2 |
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