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一次函数y=f(x),若x∈[0,1],y∈[-1,1],则一次函数y=f(x)...
一次函数y=f(x),若x∈[0,1],y∈[-1,1],则一次函数y=f(x)的解析式是( )
A.y=2(x-1)
B.
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C.y=2x-1或y=-2x+1
D.y=-2x-1
考点分析:
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