Question

Let A = {1,2,3,4} ,B= {1,5,9,11,15,16} and f={(1,5), (2,9), (3,1), (4,5), (2,11)} Are the following true? a) f is a rela
-tion from A to B. b) f is a function from A to B. Justify
your answer in each case​

Answer 1

Step-by-step explanation:

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