Respuesta :

laratunca
y=18 is the correct answer
Commoncougar
If y=x^2+2x+3 when x=3 then y=........

Plug in 3 where x is stated.
Work:

y=(3)^2+2(3)+3
y=9+2(3)+3
y=9+6+3
y=18

Answer: 18

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