Are the following mathematical functions? Give reasons for your
answers:
(i) y = 2(x^2) – 3
(ii) 4(y^3) – y = x
(iii) y = ± /4x(開方) - 6
收錄日期: 2021-04-26 13:04:38
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https://hk.answers.yahoo.com/question/index?qid=20090107000051KK01778