已知二次函数y=x 2 -2mx+4m-8
(1)当x≤2时,函数值y随x的增大而减小,求m的取值范围;(2_百度知道
已知二次函数y=x 2 -2mx+4m-8
(1)当x≤2时,函数值y随x的增大而减小,求m的取值范围;(2
(1)当x≤2时?若是://h.hiphotos.baidu.baidu://h:△AMN的面积是与m无关的定值吗,求m的取值范围.com/zhidao/pic/item/9f510fb30fe617d243ad4bd113022c.jpg" target="_blank" title="点击查看大图" class="ikqb_img_alink">
://g.hiphotos://a.hiphotos.jpg" esrc="http://f://c.com/zhidao/wh%3D450%2C600/sign=344fc546bef2c82b27a6b4/960a304e251f95ca569ee6709521c://e.jpg" target="_blank" title="点击查看大图" class="ikqb_img_alink">
.com/zhidao/pic/item/a9d3fd1f80b9d96cad1c8a7865d1c.jpg" />
://c.hiphotos.jpg" esrc="http.baidu://c.jpg" esrc="http.baidu.baidu.baidu://e.jpg" target="_blank" title="点击查看大图" class="ikqb_img_alink">
:///zhidao/wh%3D600%2C800/sign=939d9c5cf/aaf955b319ebc4132c,有
://h.baidu.baidu://d.jpg" target="_blank" title="点击查看大图" class="ikqb_img_alink">
./zhidao/pic/item/18d8bc3eb13533fafcdd889cabd3fd1f41345b1c.jpg" />
.com/zhidao/wh%3D600%2C800/sign=af455d7281025aafd36776cdcbdd875c/18d8bc3eb13533fafcdd889cabd3fd1f41345b1c:///zhidao/pic/item/bd315c6034a85edfe1e7edd54751c./zhidao/wh%3D600%2C800/sign=92aaed4cc0fdfc03e52debbee40fabac/e4dde7fdb9e0999e16fdfaaf51671c://d.baidu://b.hiphotos://a.com/zhidao/wh%3D450%2C600/sign=ae1d0418ad/abba357adab44aede02d.hiphotos.baidu.hiphotos.jpg" esrc="http.hiphotos.jpg" target="_blank" title="点击查看大图" class="ikqb_img_alink">
为完全平方数.baidu,又AB=
时.baidu.hiphotos.baidu://d.baidu.jpg" esrc="http://g.baidu./zhidao/pic/item/b58f8c5494eef01f5e7f25bc317d1c.hiphotos:(1)