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Comparison of two relations on coordinate planes, one a function and one not, highlighting the vertical line test.

Two graphs illustrating relations, showing Relation #1 as a function with points (0,1), (1,2), (2,4) and Relation #2 not a function with points (0,1), (1,2), (1,4), demonstrating the vertical line test.

WEBP 601×461 5.5 KB Free · Personal Use

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