Respuesta :

f(x) basically just substitutes the "y"
so you would bring everything over to one side
y + 3 = 0
subtract 3
y = -3
then 
f(x) = -3

That is B)
BasketballEinstein

Answer:

B) [tex]\displaystyle f(x) = -3[/tex]

Step-by-step explanation:

[tex]\displaystyle y ← f(x) \\ \\ y + 3 = 0; y = -3 \\ \\ f(x) = -3[/tex]

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