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Mathematics 8 Online
OpenStudy (anonymous):

You research the average cost of a tank of gasoline for a certain type of car for several recent years to look for trends. The table shows your data. What is the equation for a line of best fit? How much would you expect to pay for a tank of gas in the year 2019? Note: The table below shows the average cost for one tank of gasoline, not one gallon.

OpenStudy (anonymous):

OpenStudy (anonymous):

has to be one of the first two

OpenStudy (anonymous):

i think A

OpenStudy (anonymous):

2019 is 21 years after 1998 right?

OpenStudy (anonymous):

so lets replace \(x\) by 21 and see which it gives us

OpenStudy (anonymous):

so a!

OpenStudy (anonymous):

yes, you got it !

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