Respuesta :

apologiabiology
at x=-4,, that is where y=0 and y has to be positive

that is where the slope of graph changes, because that is the vertex
so basically we flip the graph at x=-4

it is positive for x>-4
fliped for x<-4

so basically graph
y=x+4 in x<-4
y=-x-4 in x<-4

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