Answer:
Step-by-step explanation:
The slope is given as m = 2
The general equation is y = mx + b
So far what we have is y = 2x + b
The y intercept is the value of y when x = 0
-4 = 2(0) + b
b = - 4
Therefore the equation is y = 2x - 4
y= 2x - 4
I think it’s positive. As it gets heavier, the cost has a positive slope, or increases. I’m not absolutely sure though
130 is the answer. hope this helps
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