Respuesta :

Answer:

k=4

Step-by-step explanation:

euqation of the graph

(1) g(x)= x+3

We have

(2) g(x)=f(x)+k

(3) g(x)=x-1+k

(1) =(3)

x+3 =x -1 + k

-x      -x

3= -1+k

k= 4

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