Which relation is a function?

2 answers:

6 0

The answer is B. <span>{(1, 2), (2,4), (−1, 2), (0,3)} because it's the only answer where the variables for x aren't repeated. For example, x is 3 twice in A, x is 5 twice in C, and x is -4 twice in D. Please mark me Brainliest! :)</span>

Agata [3.3K]2 years ago

3 0

$\{(\boxed{3};\ 2);\ (2;\ 1);\ (-1;\ 2);\ (\boxed{3};\ 3)\}\to NOT\\\\\{(1;\ 2);\ (2;\ 4);\ (-1;\ 2);\ (0;\ 3)\}\to YES\\\\\{(\boxed{5};\ 0);\ (0;\ 1);\ (\boxed{5};\ 2);\ (4;\ 4)\}\to NOT\\\\\{(0;\ 1);\ (\boxed{-4};\ 1);\ (4;\ 2);\ (\boxed{-4};\ -1)\}\to NOT$

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