Question

Let A = {1, 2, 3, 4} and B = {4, 8, 9, 10}. A function f : A → B given by f = {(1, 4), (2, 8), (3, 9), (4, 10)} is which type function?

Answer 1

Answer:

as each element of A is related to unique element of B and also all the elements in B are related to atleast one element of A, this function is one - one and onto

Answer 2

Answer:

One-One Function and Onto Function.

Step-by-step explanation:

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