Question

Q3. To determine a function which is not one - one but is onto.​

Answer 1

To determine if a function is onto, you need to know information about both set A and set B. is ONTO. As you progress along the line, ... In addition, this straight line also possesses the property that each x-value has one unique y-value that is not used by any other x-element.

Example: Determine whether the following function is one-to-one:

f = {(1,2), (3, 4), (5, 6), (8, 6), (10, -1)}

Solution: This function is not one-to-one since the ordered pairs (5, 6) and (8, 6) have different first coordinates and the same second coordinate.

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