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下列四组函数,表示同一函数的是A.f(x)=,g(x)=B.f(x)=x,g(x)=C.f...
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下列四组函数,表示同一函数的是( )
A.f(x)=
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABYAAAAbCAYAAAB4Kn/lAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAEeSURBVEhL7ZTBEYQgDEVTFwfK8U4nnCmEK4V4
oJQsAaOIuOiEvS0zzmgcH9+fHwA7CwBQfN2Be/U3NfiD2QG5FcEcjTZhd1YGjg41w+g+pUm7mOEi
cAwBC6as6DSCdrkmAl8SRbb8AkyKp1hxVhzQbGrFHtfgYAwemZjkMVlQJU2eikxIDWNf+Zk2EaUi
x+tyEhZLROBL3KrCGMwju3c8dZ9UVgnobTAGl5lCpzW6SNBz9+9UPwRv4/oQ+i7HdMgMfr9WD+iX
rbPLXqdOtyvQuALZ8a1lxzvw3ucnqwCVXUu4GzAPQDBQBiE1tB2IdrtDWlZeVDOYQHS/DwAnZERt
c7wkCKnuWfHMgMqK+oPVKgRl54NpE1I9XTGrnwH+AB0yRnDZuOWkAAAAAElFTkSuQmCC
)
,g(x)=
B.f(x)=x,g(x)=
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA0AAAAqCAYAAABoQtHyAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAEbSURBVEhL1VWJDcMgDPRk7OR1vIxHYRTXBkyA
hpCgqmorRW2e653t8wVk4wMbGPk0KAoFEAA7ULiRNGWKhEIxP8mowEBSTm/KiyShYbtZEws+BikT
ulaVe4uJ6ajHalyCIgXBtnUrkAFClcVC5feUKbU5zciPUEewlHdmMzAJ9m8uYxzkKShdtOHpxPmk
6DlIDWI+O4q+9n6tyWSNrZ1BC0jbGbS2m6gEYlTrl7qiftMwzJFRG+eyyv40K7CQ92zp94b7jCM/
vcfUm3I06fv5PtP3avoHJsacBdV3Fo59FLdlNMM1w1p49Gl6sbn5Vs6L/g2xBHlWxEVLO+9ZsAQ4
8m25Tx6/NSu0ObPtB0/SmkTeyYu82FuN37bRC4nB3ssNxmCrAAAAAElFTkSuQmCC
)
C.f(x)=lnx
2,g(x)=2ln
D.f(x)=log
aa
x(0<a≠1),g(x)=
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-
下列四组函数,表示同一函数的是( )
A.f(x)=
,g(x)=
B.f(x)=x,g(x)=![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA0AAAAqCAYAAABoQtHyAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAEbSURBVEhL1VWJDcMgDPRk7OR1vIxHYRTXBkyA
hpCgqmorRW2e653t8wVk4wMbGPk0KAoFEAA7ULiRNGWKhEIxP8mowEBSTm/KiyShYbtZEws+BikT
ulaVe4uJ6ajHalyCIgXBtnUrkAFClcVC5feUKbU5zciPUEewlHdmMzAJ9m8uYxzkKShdtOHpxPmk
6DlIDWI+O4q+9n6tyWSNrZ1BC0jbGbS2m6gEYlTrl7qiftMwzJFRG+eyyv40K7CQ92zp94b7jCM/
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8m25Tx6/NSu0ObPtB0/SmkTeyYu82FuN37bRC4nB3ssNxmCrAAAAAElFTkSuQmCC
)
C.f(x)=lnx2,g(x)=2ln
D.f(x)=logaax(0<a≠1),g(x)=
-
下列四组函数,表示同一函数的是( )
A.f(x)=
,g(x)=
B.f(x)=x,g(x)=![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA0AAAAqCAYAAABoQtHyAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
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)
C.f(x)=lnx2,g(x)=2ln
D.f(x)=logaax(0<a≠1),g(x)=
-
下列四组函数,表示同一函数的是( )
A.f(x)=
,g(x)=
B.f(x)=x,g(x)=![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA0AAAAqCAYAAABoQtHyAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAEbSURBVEhL1VWJDcMgDPRk7OR1vIxHYRTXBkyA
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8m25Tx6/NSu0ObPtB0/SmkTeyYu82FuN37bRC4nB3ssNxmCrAAAAAElFTkSuQmCC
)
C.f(x)=lnx2,g(x)=2ln
D.f(x)=logaax(0<a≠1),g(x)=
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下列四组函数,表示同一函数的是( )
A.f(x)=
,g(x)=
B.f(x)=x,g(x)=![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA0AAAAqCAYAAABoQtHyAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
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8m25Tx6/NSu0ObPtB0/SmkTeyYu82FuN37bRC4nB3ssNxmCrAAAAAElFTkSuQmCC
)
C.f(x)=lnx2,g(x)=2ln
D.f(x)=logaax(0<a≠1),g(x)=
-
下列四组函数,表示同一函数的是( )
A.f(x)=
,g(x)=
B.f(x)=x,g(x)=![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA0AAAAqCAYAAABoQtHyAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAEbSURBVEhL1VWJDcMgDPRk7OR1vIxHYRTXBkyA
hpCgqmorRW2e653t8wVk4wMbGPk0KAoFEAA7ULiRNGWKhEIxP8mowEBSTm/KiyShYbtZEws+BikT
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8m25Tx6/NSu0ObPtB0/SmkTeyYu82FuN37bRC4nB3ssNxmCrAAAAAElFTkSuQmCC
)
C.f(x)=lnx2,g(x)=2ln
D.f(x)=logaax(0<a≠1),g(x)=
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下列四组函数,表示同一函数的是( )
A.f(x)=
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B.f(x)=x,g(x)=![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA0AAAAqCAYAAABoQtHyAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
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vcfUm3I06fv5PtP3avoHJsacBdV3Fo59FLdlNMM1w1p49Gl6sbn5Vs6L/g2xBHlWxEVLO+9ZsAQ4
8m25Tx6/NSu0ObPtB0/SmkTeyYu82FuN37bRC4nB3ssNxmCrAAAAAElFTkSuQmCC
)
C.f(x)=lnx2,g(x)=2ln
D.f(x)=logaax(0<a≠1),g(x)=
-
下列四组函数,表示同一函数的是( )
A.f(x)=
,g(x)=
B.f(x)=x,g(x)=![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA0AAAAqCAYAAABoQtHyAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAEbSURBVEhL1VWJDcMgDPRk7OR1vIxHYRTXBkyA
hpCgqmorRW2e653t8wVk4wMbGPk0KAoFEAA7ULiRNGWKhEIxP8mowEBSTm/KiyShYbtZEws+BikT
ulaVe4uJ6ajHalyCIgXBtnUrkAFClcVC5feUKbU5zciPUEewlHdmMzAJ9m8uYxzkKShdtOHpxPmk
6DlIDWI+O4q+9n6tyWSNrZ1BC0jbGbS2m6gEYlTrl7qiftMwzJFRG+eyyv40K7CQ92zp94b7jCM/
vcfUm3I06fv5PtP3avoHJsacBdV3Fo59FLdlNMM1w1p49Gl6sbn5Vs6L/g2xBHlWxEVLO+9ZsAQ4
8m25Tx6/NSu0ObPtB0/SmkTeyYu82FuN37bRC4nB3ssNxmCrAAAAAElFTkSuQmCC
)
C.f(x)=lnx2,g(x)=2ln
D.f(x)=logaax(0<a≠1),g(x)=
-
下列四组函数,表示同一函数的是( )
A.f(x)=
,g(x)=
B.f(x)=x,g(x)=![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA0AAAAqCAYAAABoQtHyAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAEbSURBVEhL1VWJDcMgDPRk7OR1vIxHYRTXBkyA
hpCgqmorRW2e653t8wVk4wMbGPk0KAoFEAA7ULiRNGWKhEIxP8mowEBSTm/KiyShYbtZEws+BikT
ulaVe4uJ6ajHalyCIgXBtnUrkAFClcVC5feUKbU5zciPUEewlHdmMzAJ9m8uYxzkKShdtOHpxPmk
6DlIDWI+O4q+9n6tyWSNrZ1BC0jbGbS2m6gEYlTrl7qiftMwzJFRG+eyyv40K7CQ92zp94b7jCM/
vcfUm3I06fv5PtP3avoHJsacBdV3Fo59FLdlNMM1w1p49Gl6sbn5Vs6L/g2xBHlWxEVLO+9ZsAQ4
8m25Tx6/NSu0ObPtB0/SmkTeyYu82FuN37bRC4nB3ssNxmCrAAAAAElFTkSuQmCC
)
C.f(x)=lnx2,g(x)=2ln
D.f(x)=logaax(0<a≠1),g(x)=
-
下列四组函数,表示同一函数的是( )
A.f(x)=
,g(x)=
B.f(x)=x,g(x)=![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA0AAAAqCAYAAABoQtHyAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAEbSURBVEhL1VWJDcMgDPRk7OR1vIxHYRTXBkyA
hpCgqmorRW2e653t8wVk4wMbGPk0KAoFEAA7ULiRNGWKhEIxP8mowEBSTm/KiyShYbtZEws+BikT
ulaVe4uJ6ajHalyCIgXBtnUrkAFClcVC5feUKbU5zciPUEewlHdmMzAJ9m8uYxzkKShdtOHpxPmk
6DlIDWI+O4q+9n6tyWSNrZ1BC0jbGbS2m6gEYlTrl7qiftMwzJFRG+eyyv40K7CQ92zp94b7jCM/
vcfUm3I06fv5PtP3avoHJsacBdV3Fo59FLdlNMM1w1p49Gl6sbn5Vs6L/g2xBHlWxEVLO+9ZsAQ4
8m25Tx6/NSu0ObPtB0/SmkTeyYu82FuN37bRC4nB3ssNxmCrAAAAAElFTkSuQmCC
)
C.f(x)=lnx2,g(x)=2ln
D.f(x)=logaax(0<a≠1),g(x)=
-
下列四组函数,表示同一函数的是( )
A.f(x)=
,g(x)=
B.f(x)=x,g(x)=![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA0AAAAqCAYAAABoQtHyAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAEbSURBVEhL1VWJDcMgDPRk7OR1vIxHYRTXBkyA
hpCgqmorRW2e653t8wVk4wMbGPk0KAoFEAA7ULiRNGWKhEIxP8mowEBSTm/KiyShYbtZEws+BikT
ulaVe4uJ6ajHalyCIgXBtnUrkAFClcVC5feUKbU5zciPUEewlHdmMzAJ9m8uYxzkKShdtOHpxPmk
6DlIDWI+O4q+9n6tyWSNrZ1BC0jbGbS2m6gEYlTrl7qiftMwzJFRG+eyyv40K7CQ92zp94b7jCM/
vcfUm3I06fv5PtP3avoHJsacBdV3Fo59FLdlNMM1w1p49Gl6sbn5Vs6L/g2xBHlWxEVLO+9ZsAQ4
8m25Tx6/NSu0ObPtB0/SmkTeyYu82FuN37bRC4nB3ssNxmCrAAAAAElFTkSuQmCC
)
C.f(x)=lnx2,g(x)=2ln
D.f(x)=logaax(0<a≠1),g(x)=