Respuesta :

Answer:

y(x) = -2x -8

Step-by-step explanation:

using the hint, insert the points (x,y) in the equation:

-2 = -3m + b       eq1

2 = -5m + b        eq2

eq2 - eq1 :  

4 = -2m  ==> m = -2

insert m in eq1:    

-2 = -3*(-2) +b   ==> b = -8

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