题目内容
【题目】已知f(x)是偶函数,且在区间(0,+∞)上是增函数,则f(-0.5),f(-1),f(0)的大小关系是( )
A. f(-0.5)<f(0)<f(1)
B. f(-1)<f(-0.5)<f(0)
C. f(0)<f(-0.5)<f(-1)
D. f(-1)<f(0)<f(-0.5)
【答案】C
【解析】∵函数f(x)为偶函数,∴f(-0.5)=f(0.5),f(-1)=f(1).又∵f(x)在区间(0,+∞)上是增函数,∴f(0)<f(0.5)<f(1),即f(0)<f(-0.5)<f(-1),故选C.
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