QUESTION IMAGE
Question
look at this set of ordered pairs:
(-20, 4)
(7, 8)
(0, 15)
is this relation a function?
yes no
Step1: Identify input values (x)
Los valores de x son: $-20$, $7$, $0$
Step2: Check for repeated x-values
Ningún valor de x se repite.
Step3: Apply function definition
Una relación es función si cada x tiene un solo y.
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yes