Answer:
y=6x+5
Step-by-step explanation:
The 5 dollar insurance fee is a constant fee that is there no matter what value of x is present, so it will be the b, which is the constant. Now for the coefficient of x: a, it should be equal to the amount the price the shipping fee increases per kilogram (rate of change), so it should be 6 (dollars per kilogram).
Then, we get the answer: y=6x+5
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