問題詳情
1.試問下列哪一個函數不是的二次函數?
(A)y=-x2+5x+1
(B)y=5x2+6x+3
(C)y=5x+92+4
(D)y=(-2+x )( 3-4x )
(A)y=-x2+5x+1
(B)y=5x2+6x+3
(C)y=5x+92+4
(D)y=(-2+x )( 3-4x )
參考答案
無參考答案
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