y= x的图像过点(-1,1)(1,1),
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发布时间：2024-10-23 19:39
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时间：2024-10-27 17:57
y=√x图像，其中x≥0，y≥0
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拓展资料y=x²的图像是开口向上的抛物线；
以（0,0）为顶点，Y轴为对称轴，同时经过点（-1，1）（1，1）
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y=2x的图像，正比例函数的图象是一条经过原点的直线，且当k＞0时，经过一、三象限。
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