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已知函数f(x)=ex-1,g(x)=-x2+4x-3,若有f(a)=g(b),...
已知函数f(x)=e
x-1,g(x)=-x
2+4x-3,若有f(a)=g(b),则b的取值范围为( )
A.
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B.(2-
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,2+
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)
C.[1,3]
D.(1,3)
考点分析:
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