a |
a+b+d |
b |
b+c+a |
c |
c+d+a |
d |
d+a+c |
a |
a+b+d |
b |
b+c+a |
c |
c+d+a |
d |
d+a+c |
a |
a+b+c+d |
b |
a+b+c+d |
c |
a+b+c+d |
d |
a+b+c+d |
a+b+c+d |
a+b+c+d |
a |
a+b+d |
b |
b+c+a |
c |
c+d+a |
d |
d+a+c |
a |
a+b |
b |
b+a |
c |
c+d |
d |
d+c |
x |
1 |
x |
2 |
x |
1 | ||
|
A.f(x)=log2x | B.f(x)=
| C.f(x)=|x| | D.f(x)=2x |
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