QUESTION IMAGE
Question
look at this set of ordered pairs: (-14, 18) (5, 11) (5, 12) (19, 16) (-19, 11) (5, 9) is this relation a function? yes no
Step1: Identify input values (x-coordinates)
Los valores de x son: $-14, 5, 5, 19, -19, 5$
Step2: Check for repeated x-values
El valor $x=5$ aparece 3 veces, con valores de y diferentes: $11, 12, 9$
Step3: Apply function definition
Una relación es función si cada x tiene un solo y.
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no