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(﹣2,3) (﹣1,﹣6) (1,﹣6) (2,﹣3)
(2,-3) (-3,-3) (2,3) (-4,6)
y随x的增大而增大 函数的图象只在第一象限 当x<0时,y<0 点(-2,-3)不在此函数的图象上
(2,-3) (-3,-3) (2,3) (-4,6)
(2,-3) (-3,-3) (2,3) (-4,6)
当a=1时,函数图象经过点(﹣1,1) 当a=﹣2时,函数图象与x轴没有交点 若a<0,函数图象的顶点始终在x轴的下方 若a>0,则当x≥1时,y随x的增大而增大
(-6,1) (1,6) (2,-3) (3,-2)
(3,-2) (1,-6) (-1,6) (-1,-6)
(-3,-2) (2,3) (3,-2) (-2,3)
(﹣6,1) (1,6) (2,﹣3) (3,﹣2)
(-3,-2) (2,3) (3,-2) (-2,3)
(﹣6,1) (1,6) (2,﹣3) (3,﹣2)