摘要:9.已知函数y = f 满足f .且x∈[–1.1]时.f (x) = x2.则y = f ( x ) 与y = log5x的图象的交点个数为 ( ) 2 . 4.
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已知函数y=f(x)(x∈R)满足f(x+1)=f(x-1)且当x∈[-1,1]时,f(x)=x2,则y=f(x)与
的图象的交点个数为( )
A. 3 B. 4 C. 5 D. 6
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