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函数,若f(-4)=f(0),f(-2)=-2,则关于x的方程f(x)=x的解的...
函数
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,若f(-4)=f(0),f(-2)=-2,则关于x的方程f(x)=x的解的个数为( )
A.1
B.2
C.3
D.4
考点分析:
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