已知两点A(-5,y1),B(3,y2)均在抛物线y=ax平方+x+c上,点C(x0,y0)是该抛物线的顶点
已知两点A(-5,y1),B(3,y2)均在抛物线y=ax平方+x+c上,点C(x0,yo)是该抛物线的顶点,若y1大于y2大于等于y0,则x的取值范围是