高中数学代数与函数一函数练习题93
题目内容

http://picflow.koolearn.com/upload/papers/20140823/20140823225849495348.png为常数,抛物线 http://picflow.koolearn.com/upload/papers/20140823/20140823225849527847.png,则当 http://picflow.koolearn.com/upload/papers/20140823/20140823225849495348.png分别取 http://picflow.koolearn.com/upload/papers/20140823/20140823225849558489.png时,在平面直角坐标系中图像最恰当的是(这里省略了坐标轴)(   ) http://picflow.koolearn.com/upload/papers/20140823/2014082322584957325926.png

2021-08-04

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C.

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