A.(-3,1)∪(3,+∞) | B.(-3,1)∪(2,+∞) |
C.(-1,1)∪(3,+∞) | D.(-∞,-3)∪(1,3) |
A.f(x)=1,g(x)=x0 |
B.f(x)=x-1,g(x)=-1 |
C.f(x)=x ,g(x)=()2 |
D.f(x)=|1-2x|,g(x)= |
A.与y="x+3" |
B.与y=x-1 |
C.y=x0(x≠0)与y=1(x≠0) |
D.y=2x+1(x∈Z)与y=2x-1(x∈Z) |
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