【单选题】已知函数y=f(x)满足f(2)>f(1),f(1)<f(0)则下列选项中正确的是( )
A.
函数y=f(x)在[1,2]是减函数,在[0,1]上是增函数
B.
函数y=f(x)在[1,2]是增函数,在[0,1]上是减函数
C.
函数y=f(x)在[0,2]上的最小值是f(1)
【单选题】函数f(x)=log a |x+1|,在(-1,0)上有f(x)>0,那么( )
【单选题】.已知奇函数f(x)满足f(-1)=f(3)=0,在区间[-2,0)上是减函数,在区间[2,+∞)是增函数,函数F(x)= ,则{x|F(x)>0}=
【简答题】阅读理解。 Come and buy your clothes at Mr Cool's Clothes Store. I am Mr Cool. I am the boss(老板).We have shorts in black and white for two dollars. We have T-shirts in blue, black and yellow.The blue T...
【单选题】I have 8 classes _______Monday,so I’m very ______.
【单选题】— I have ______ today, so I can't go to school. — I'm ______ to hear that. [ ]
【简答题】减函数y=f (x)定义在[-1,1]上减函数,且是奇函数.若f(a 2 -a-1)+f(4a-5)>0,求实数a的取值范围.
【单选题】函数 f ( x )=log a ,在(-1,0)上有 f ( x )>0,那么 ( )