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已知一次函数的图象过点(3,5)与(-4,-9),则该函数的图象与y轴交点的坐标...
已知一次函数的图象过点(3,5)与(-4,-9),则该函数的图象与y轴交点的坐标为 .
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函数y=
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A.15°
B.20°
C.30°
D.45°
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