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设a∈R,若函数y=eax+3x,x∈R有大于零的极值点,则A.a>-3B.a<-3C.a...
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设a∈R,若函数y=e
ax+3x,x∈R有大于零的极值点,则( )
A.a>-3
B.a<-3
C.a>-
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACWSURBVDhP3ZPLEcAgCESpjJ5sh2YshVKIiIkG
fxcnhzjDeMgGNo8NyObAQQGTIKAQv3vaiBgEAFLNBKaS8HNBhqQcrEKssE7uYrLW/Yjb2OjWpvsO
hxLVgmopmYcUFCSxpGloPEnm8tDcxLBCrdnsR9Q3M4uZIMuKWWyy34FiQoHH9Iik8+E6sBD6r3j+
qj5Nny5rsfMLN2zqeSiCl84AAAAASUVORK5CYII=
)
D.a<-
相关试题
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设a∈R,若函数y=eax+3x,x∈R有大于零的极值点,则( )
A.a>-3
B.a<-3
C.a>-![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACVSURBVDhP3ZPREYQwCESpjJ7SDs2kFEpZCUQH
uej9ePfhm8EZ9WnWVQlfeFJQARNDdO5PQugNRGRzJTgd7eWClzR6iGndjzrpDmv+IezBVuOCb294
SshF5ZYME6xiFkTDo+7apOo8GfR2V/X4Nj+XCMaVFxkSMyynd34WDBUGHaEXQs1RBIVwfYrjr4op
GRdLFH4uABs3bOp5PAM6+AAAAABJRU5ErkJggg==
)
D.a<-
-
设a∈R,若函数y=eax+3x,x∈R有大于零的极值点,则( )
A.a>-3
B.a<-3
C.a>-![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACWSURBVDhP3ZPLEcAgCESpjJ5sh2YshVKIiIkG
fxcnhzjDeMgGNo8NyObAQQGTIKAQv3vaiBgEAFLNBKaS8HNBhqQcrEKssE7uYrLW/Yjb2OjWpvsO
hxLVgmopmYcUFCSxpGloPEnm8tDcxLBCrdnsR9Q3M4uZIMuKWWyy34FiQoHH9Iik8+E6sBD6r3j+
qj5Nny5rsfMLN2zqeSiCl84AAAAASUVORK5CYII=
)
D.a<-
-
设a∈R,若函数y=eax+3x,x∈R有大于零的极值点,则( )
A.a>-3
B.a<-3
C.a>-![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACWSURBVDhP3ZPLEcAgCESpjJ5sh2YshVKIiIkG
fxcnhzjDeMgGNo8NyObAQQGTIKAQv3vaiBgEAFLNBKaS8HNBhqQcrEKssE7uYrLW/Yjb2OjWpvsO
hxLVgmopmYcUFCSxpGloPEnm8tDcxLBCrdnsR9Q3M4uZIMuKWWyy34FiQoHH9Iik8+E6sBD6r3j+
qj5Nny5rsfMLN2zqeSiCl84AAAAASUVORK5CYII=
)
D.a<-
-
设a∈R,若函数y=eax+3x,x∈R有大于零的极值点,则( )
A.a>-3
B.a<-3
C.a>-![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACWSURBVDhP3ZPLEcAgCESpjJ5sh2YshVKIiIkG
fxcnhzjDeMgGNo8NyObAQQGTIKAQv3vaiBgEAFLNBKaS8HNBhqQcrEKssE7uYrLW/Yjb2OjWpvsO
hxLVgmopmYcUFCSxpGloPEnm8tDcxLBCrdnsR9Q3M4uZIMuKWWyy34FiQoHH9Iik8+E6sBD6r3j+
qj5Nny5rsfMLN2zqeSiCl84AAAAASUVORK5CYII=
)
D.a<-
-
设a∈R,若函数y=eax+3x,x∈R有大于零的极值点,则( )
A.a>-3
B.a<-3
C.a>-![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACWSURBVDhP3ZPLEcAgCESpjJ5sh2YshVKIiIkG
fxcnhzjDeMgGNo8NyObAQQGTIKAQv3vaiBgEAFLNBKaS8HNBhqQcrEKssE7uYrLW/Yjb2OjWpvsO
hxLVgmopmYcUFCSxpGloPEnm8tDcxLBCrdnsR9Q3M4uZIMuKWWyy34FiQoHH9Iik8+E6sBD6r3j+
qj5Nny5rsfMLN2zqeSiCl84AAAAASUVORK5CYII=
)
D.a<-
-
设a∈R,若函数y=eax+3x,x∈R有大于零的极值点,则( )
A.a>-3
B.a<-3
C.a>-![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACWSURBVDhP3ZPLEcAgCESpjJ5sh2YshVKIiIkG
fxcnhzjDeMgGNo8NyObAQQGTIKAQv3vaiBgEAFLNBKaS8HNBhqQcrEKssE7uYrLW/Yjb2OjWpvsO
hxLVgmopmYcUFCSxpGloPEnm8tDcxLBCrdnsR9Q3M4uZIMuKWWyy34FiQoHH9Iik8+E6sBD6r3j+
qj5Nny5rsfMLN2zqeSiCl84AAAAASUVORK5CYII=
)
D.a<-
-
设a∈R,若函数y=eax+3x,x∈R有大于零的极值点,则( )
A.a>-3
B.a<-3
C.a>-![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACWSURBVDhP3ZPLEcAgCESpjJ5sh2YshVKIiIkG
fxcnhzjDeMgGNo8NyObAQQGTIKAQv3vaiBgEAFLNBKaS8HNBhqQcrEKssE7uYrLW/Yjb2OjWpvsO
hxLVgmopmYcUFCSxpGloPEnm8tDcxLBCrdnsR9Q3M4uZIMuKWWyy34FiQoHH9Iik8+E6sBD6r3j+
qj5Nny5rsfMLN2zqeSiCl84AAAAASUVORK5CYII=
)
D.a<-
-
设a∈R,若函数y=eax+3x,x∈R有大于零的极值点,则( )
A.a>-3
B.a<-3
C.a>-![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACWSURBVDhP3ZPLEcAgCESpjJ5sh2YshVKIiIkG
fxcnhzjDeMgGNo8NyObAQQGTIKAQv3vaiBgEAFLNBKaS8HNBhqQcrEKssE7uYrLW/Yjb2OjWpvsO
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qj5Nny5rsfMLN2zqeSiCl84AAAAASUVORK5CYII=
)
D.a<-
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设a∈R,若函数f(x)=eax+3x,(x∈R)有大于零的极值点,则a的取值范围为________.
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设a∈R,若函数f(x)=eax+3x,(x∈R)有大于零的极值点,则a的取值范围为________.