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函数上是减函数,则实数m=A.2或-1B.-1C.3D.2
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函数
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)
上是减函数,则实数m=( )
A.2或-1
B.-1
C.3
D.2
相关试题
-
函数
上是减函数,则实数m=( )
A.2或-1
B.-1
C.3
D.2
-
已知函数
是连续函数,则实数a的值是( )
A.-1
B.1
C.±1
D.-2
-
函数
上是减函数,则实数m=( )
A.2或-1
B.-1
C.3
D.2
-
函数f(x)=(k+1)x+b在实数集上是增函数,则有( )
A.k>1
B.k>-1
C.b>0
D.b<0
-
已知f(x)=
是奇函数,那么实数a的值等于( )
A.1
B.-1
C.0
D.±1
-
若函数
的定义域为R,则实数m的取值范围为( )
A.m>-1
B.m≥-1
C.m<-1
D.m≤-1
-
若函数y=
的图象关于直线y=x对称,则a为( )
A.1
B.-1
C.±1
D.任意实数
-
若函数y=
的图象关于直线y=x对称,则a为( )
A.1
B.-1
C.±1
D.任意实数
-
已知实数a≠0,函数
,若f(1-2a)=f(1+a),则a的值为( )
A.-1
B.1
C.3
D.-3
-
已知实数a≠0,函数
,若f(1-2a)=f(1+a),则a的值为( )
A.-1
B.1
C.3
D.-3