Let A 1 2 3 and B 2 4 then number of functions from A to B are-18636

Let A = {1, 2, 3} and B = {2, 4} then number of functions from A to B are __________.

This multiple choice question (MCQ) is related to the book/course vu mth202 Discrete Mathematics. It can also be found in vu mth202 Final Term - Quiz No.7.