网址:http://m.1010jiajiao.com/timu_id_192090[举报]
已知函数f(x)=x|x-2|.
(1)写出f(x)的单调区间; (2)解不等式f(x)<3.
(1)判断f(x)在[-1,1]上的单调性;
(2)解不等式f(x+)<f();
(3)若f(x)≤m2-2am+1对于所有x∈[-1,1],a∈[-1,1]恒成立,求m的取值范围.
(1)求常数c的值;
(2)解不等式f(x)>+1.
已知函数f(x)=|x-3|+|x+1|.
(1)作出y=f(x)的图像;
(2)解不等式f(x)≤6.
(1)证明f(x)是(a,+∞)上的减函数;
(2)解不等式f(x)>1.