【題組】10. Let X = (1,2,3, 4] and Y = fa,b). How many onto functions can be defined from X toY? (A) 8；

問題詳情

【題組】10. Let X = (1,2,3, 4] and Y = fa,b). How many onto functions can be defined from X toY?
(A) 8；
(B) 11；
(C) 14；
(D) 17.

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增