Respuesta :

bernardlans13
First: find the slope:

(1-2)/(4-1) = -1/3

Next, find the y intercept by using 1 as the value for x and 2 for the value of y

Y = 1/3x + b
2= 1/3(1) + b
B = 5/3

So the equation of the line is y = -1/3x + 5/3

F(6) = -1/3(6) + 5/3
= -1/3

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