Is the given relation a function? Give reasons for your answer: h… - Vidyadip

Question

Is the given relation a function? Give reasons for your answer:
h = {(4, 6), (3, 9), (– 11, 6), (3, 11)}

✓

Answer

We have, h = {(4, 6),(3, 9), (-11, 6), (3, 11)}.
Since pre-image 3 has two images 9 and 11, it is not a function.

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