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若函数y=f(x)(x∈R)满足f(x+2)=f(x)且x∈[-1,1]时,f(...
若函数y=f(x)(x∈R)满足f(x+2)=f(x)且x∈[-1,1]时,f(x)=1-x
2,函数g(x)=
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,则函数h(x)=f(x)-g(x)在区间[-5,5]内的与x轴交点的个数为( )
A.5
B.7
C.8
D.10
考点分析:
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