F(x)=(1+)·f(x)(x≠0)是偶函數(shù).且f(x)不恒等于零.則f(x) A.是奇函數(shù) B.是偶函數(shù) C.既是奇函數(shù).又是偶函數(shù) D.是非奇非偶函數(shù) 查看更多

 

題目列表(包括答案和解析)

f(x)是偶函數(shù),且f(x)在[0,+∞)上是增函數(shù),如果f(ax+1)≤f(x-2)在[
12
,1]上恒成立,則實(shí)數(shù)a的取值范圍是
 

查看答案和解析>>

f(x)是偶函數(shù),且f(x)在(0,+∞)上是增函數(shù),若x∈[
12
,1]時(shí),不等式f(ax+1)≤f(x-2)恒成立,則實(shí)數(shù)a的取值范圍是
[-2,0]
[-2,0]

查看答案和解析>>

f(x)是偶函數(shù),且f(x)在[0,+∞)上是增函數(shù),如果f(ax+1)≤f(x-2)在[
1
2
,1]上恒成立,則實(shí)數(shù)a的取值范圍是 ______.

查看答案和解析>>

f(x)是偶函數(shù),且f(x)在(0,+∞)上是增函數(shù),若x∈[
1
2
,1]時(shí),不等式f(ax+1)≤f(x-2)恒成立,則實(shí)數(shù)a的取值范圍是______.

查看答案和解析>>

f(x)是偶函數(shù),且f(x)在(0,+∞)上是增函數(shù),若x∈[,1]時(shí),不等式f(ax+1)≤f(x-2)恒成立,則實(shí)數(shù)a的取值范圍是   

查看答案和解析>>


同步練習(xí)冊答案