Answer: This is a nonfunction because there are two different x values for the y value of 20 . In order for it to be functional every x value has to have a different y value.
Step-by-step explanation:
Answer:
x = 1
(x^2-4x+3=0 or sin(x)=1)
( x^2-4x+3=0 or sin(x)=1)
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