在平面直角坐标系内,反比例函数和二次函数y=k(x2+x-1)的图象交于点A(1,k)和点B(-1,-k).(1)当k=-2时,求反比例函数的解析式;(2)要使反比例函数和二次函数都是y随着x的增大而增大,
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![在平面直角坐标系内,反比例函数和二次函数y=k(x2+x-1)的图象交于点A(1,k)和点B(-1,-k).(1)当k=-2时,求反比例函数的解析式;(2)要使反比例函数和二次函数都是y随着x的增大而增大,](/uploads/image/z/5205454-70-4.jpg?t=%E5%9C%A8%E5%B9%B3%E9%9D%A2%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BB%E5%86%85%2C%E5%8F%8D%E6%AF%94%E4%BE%8B%E5%87%BD%E6%95%B0%E5%92%8C%E4%BA%8C%E6%AC%A1%E5%87%BD%E6%95%B0y%3Dk%EF%BC%88x2%2Bx-1%EF%BC%89%E7%9A%84%E5%9B%BE%E8%B1%A1%E4%BA%A4%E4%BA%8E%E7%82%B9A%EF%BC%881%2Ck%EF%BC%89%E5%92%8C%E7%82%B9B%EF%BC%88-1%2C-k%EF%BC%89%EF%BC%8E%EF%BC%881%EF%BC%89%E5%BD%93k%3D-2%E6%97%B6%2C%E6%B1%82%E5%8F%8D%E6%AF%94%E4%BE%8B%E5%87%BD%E6%95%B0%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F%EF%BC%9B%EF%BC%882%EF%BC%89%E8%A6%81%E4%BD%BF%E5%8F%8D%E6%AF%94%E4%BE%8B%E5%87%BD%E6%95%B0%E5%92%8C%E4%BA%8C%E6%AC%A1%E5%87%BD%E6%95%B0%E9%83%BD%E6%98%AFy%E9%9A%8F%E7%9D%80x%E7%9A%84%E5%A2%9E%E5%A4%A7%E8%80%8C%E5%A2%9E%E5%A4%A7%2C)
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