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Determine which relation is a function.

Determine which relation is a function.-example-1
User S Hubble
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2 Answers

1 vote
A. Is he correct one
User Miroslav Mares
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A is the correct choice.

This is based on the vertical line test. If you were to draw an imaginary vertical line on the graph, it would only intersect the graph at one point, which proves that all x values are different (a function).
User Ivan Bolnikh
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