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已知定义在R上的函数y=f(x)满足下列三个条件: ①对任意的x∈R都有f(x)...
已知定义在R上的函数y=f(x)满足下列三个条件:
①对任意的x∈R都有f(x)=f(x+4);
②对于任意的0≤x1<x2≤2,都有f(x1)<f(x2),
③y=f(x+2)的图象关于y轴对称,
则下列结论中,正确的是( )
A.f(4.5)<f(6.5)<f(7)
B.f(4.5)<f(7)<f(6.5)
C.f(7)<f(4.5)<f(6.5)
D.f(7)<f(6.5)<f(4.5)
考点分析:
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