Question

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.

Answer 1

has to be one of the first two

Answer 2

i think A

Answer 3

2019 is 21 years after 1998 right?

Answer 4

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

Answer 5

so a!

Answer 6

yes, you got it !